drm/tegra: Move drm to live under host1x
Make drm part of host1x driver.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
diff --git a/drivers/gpu/host1x/drm/drm.h b/drivers/gpu/host1x/drm/drm.h
new file mode 100644
index 0000000..a6c011d
--- /dev/null
+++ b/drivers/gpu/host1x/drm/drm.h
@@ -0,0 +1,237 @@
+/*
+ * Copyright (C) 2012 Avionic Design GmbH
+ * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef HOST1X_DRM_H
+#define HOST1X_DRM_H 1
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_fixed.h>
+
+struct host1x {
+ struct drm_device *drm;
+ struct device *dev;
+ void __iomem *regs;
+ struct clk *clk;
+ int syncpt;
+ int irq;
+
+ struct mutex drm_clients_lock;
+ struct list_head drm_clients;
+ struct list_head drm_active;
+
+ struct mutex clients_lock;
+ struct list_head clients;
+
+ struct drm_fbdev_cma *fbdev;
+};
+
+struct host1x_client;
+
+struct host1x_client_ops {
+ int (*drm_init)(struct host1x_client *client, struct drm_device *drm);
+ int (*drm_exit)(struct host1x_client *client);
+};
+
+struct host1x_client {
+ struct host1x *host1x;
+ struct device *dev;
+
+ const struct host1x_client_ops *ops;
+
+ struct list_head list;
+};
+
+extern int host1x_drm_init(struct host1x *host1x, struct drm_device *drm);
+extern int host1x_drm_exit(struct host1x *host1x);
+
+extern int host1x_register_client(struct host1x *host1x,
+ struct host1x_client *client);
+extern int host1x_unregister_client(struct host1x *host1x,
+ struct host1x_client *client);
+
+struct tegra_output;
+
+struct tegra_dc {
+ struct host1x_client client;
+ spinlock_t lock;
+
+ struct host1x *host1x;
+ struct device *dev;
+
+ struct drm_crtc base;
+ int pipe;
+
+ struct clk *clk;
+
+ void __iomem *regs;
+ int irq;
+
+ struct tegra_output *rgb;
+
+ struct list_head list;
+
+ struct drm_info_list *debugfs_files;
+ struct drm_minor *minor;
+ struct dentry *debugfs;
+
+ /* page-flip handling */
+ struct drm_pending_vblank_event *event;
+};
+
+static inline struct tegra_dc *host1x_client_to_dc(struct host1x_client *client)
+{
+ return container_of(client, struct tegra_dc, client);
+}
+
+static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc)
+{
+ return container_of(crtc, struct tegra_dc, base);
+}
+
+static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value,
+ unsigned long reg)
+{
+ writel(value, dc->regs + (reg << 2));
+}
+
+static inline unsigned long tegra_dc_readl(struct tegra_dc *dc,
+ unsigned long reg)
+{
+ return readl(dc->regs + (reg << 2));
+}
+
+struct tegra_dc_window {
+ struct {
+ unsigned int x;
+ unsigned int y;
+ unsigned int w;
+ unsigned int h;
+ } src;
+ struct {
+ unsigned int x;
+ unsigned int y;
+ unsigned int w;
+ unsigned int h;
+ } dst;
+ unsigned int bits_per_pixel;
+ unsigned int format;
+ unsigned int stride[2];
+ unsigned long base[3];
+};
+
+/* from dc.c */
+extern unsigned int tegra_dc_format(uint32_t format);
+extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index,
+ const struct tegra_dc_window *window);
+extern void tegra_dc_enable_vblank(struct tegra_dc *dc);
+extern void tegra_dc_disable_vblank(struct tegra_dc *dc);
+extern void tegra_dc_cancel_page_flip(struct drm_crtc *crtc,
+ struct drm_file *file);
+
+struct tegra_output_ops {
+ int (*enable)(struct tegra_output *output);
+ int (*disable)(struct tegra_output *output);
+ int (*setup_clock)(struct tegra_output *output, struct clk *clk,
+ unsigned long pclk);
+ int (*check_mode)(struct tegra_output *output,
+ struct drm_display_mode *mode,
+ enum drm_mode_status *status);
+};
+
+enum tegra_output_type {
+ TEGRA_OUTPUT_RGB,
+ TEGRA_OUTPUT_HDMI,
+};
+
+struct tegra_output {
+ struct device_node *of_node;
+ struct device *dev;
+
+ const struct tegra_output_ops *ops;
+ enum tegra_output_type type;
+
+ struct i2c_adapter *ddc;
+ const struct edid *edid;
+ unsigned int hpd_irq;
+ int hpd_gpio;
+
+ struct drm_encoder encoder;
+ struct drm_connector connector;
+};
+
+static inline struct tegra_output *encoder_to_output(struct drm_encoder *e)
+{
+ return container_of(e, struct tegra_output, encoder);
+}
+
+static inline struct tegra_output *connector_to_output(struct drm_connector *c)
+{
+ return container_of(c, struct tegra_output, connector);
+}
+
+static inline int tegra_output_enable(struct tegra_output *output)
+{
+ if (output && output->ops && output->ops->enable)
+ return output->ops->enable(output);
+
+ return output ? -ENOSYS : -EINVAL;
+}
+
+static inline int tegra_output_disable(struct tegra_output *output)
+{
+ if (output && output->ops && output->ops->disable)
+ return output->ops->disable(output);
+
+ return output ? -ENOSYS : -EINVAL;
+}
+
+static inline int tegra_output_setup_clock(struct tegra_output *output,
+ struct clk *clk, unsigned long pclk)
+{
+ if (output && output->ops && output->ops->setup_clock)
+ return output->ops->setup_clock(output, clk, pclk);
+
+ return output ? -ENOSYS : -EINVAL;
+}
+
+static inline int tegra_output_check_mode(struct tegra_output *output,
+ struct drm_display_mode *mode,
+ enum drm_mode_status *status)
+{
+ if (output && output->ops && output->ops->check_mode)
+ return output->ops->check_mode(output, mode, status);
+
+ return output ? -ENOSYS : -EINVAL;
+}
+
+/* from rgb.c */
+extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
+extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc);
+extern int tegra_dc_rgb_exit(struct tegra_dc *dc);
+
+/* from output.c */
+extern int tegra_output_parse_dt(struct tegra_output *output);
+extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output);
+extern int tegra_output_exit(struct tegra_output *output);
+
+/* from fb.c */
+extern int tegra_drm_fb_init(struct drm_device *drm);
+extern void tegra_drm_fb_exit(struct drm_device *drm);
+
+extern struct platform_driver tegra_host1x_driver;
+extern struct platform_driver tegra_hdmi_driver;
+extern struct platform_driver tegra_dc_driver;
+extern struct drm_driver tegra_drm_driver;
+
+#endif /* HOST1X_DRM_H */