forked from Minki/linux
6b6b604215
Add support for eDP functionality found on Tegra124 and later SoCs. Only fast link training is currently supported. Signed-off-by: Thierry Reding <treding@nvidia.com>
306 lines
8.1 KiB
C
306 lines
8.1 KiB
C
/*
|
|
* Copyright (C) 2012 Avionic Design GmbH
|
|
* Copyright (C) 2012-2013 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 <uapi/drm/tegra_drm.h>
|
|
#include <linux/host1x.h>
|
|
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm_crtc_helper.h>
|
|
#include <drm/drm_edid.h>
|
|
#include <drm/drm_fb_helper.h>
|
|
#include <drm/drm_fixed.h>
|
|
|
|
struct reset_control;
|
|
|
|
struct tegra_fb {
|
|
struct drm_framebuffer base;
|
|
struct tegra_bo **planes;
|
|
unsigned int num_planes;
|
|
};
|
|
|
|
#ifdef CONFIG_DRM_TEGRA_FBDEV
|
|
struct tegra_fbdev {
|
|
struct drm_fb_helper base;
|
|
struct tegra_fb *fb;
|
|
};
|
|
#endif
|
|
|
|
struct tegra_drm {
|
|
struct drm_device *drm;
|
|
|
|
struct mutex clients_lock;
|
|
struct list_head clients;
|
|
|
|
#ifdef CONFIG_DRM_TEGRA_FBDEV
|
|
struct tegra_fbdev *fbdev;
|
|
#endif
|
|
};
|
|
|
|
struct tegra_drm_client;
|
|
|
|
struct tegra_drm_context {
|
|
struct tegra_drm_client *client;
|
|
struct host1x_channel *channel;
|
|
struct list_head list;
|
|
};
|
|
|
|
struct tegra_drm_client_ops {
|
|
int (*open_channel)(struct tegra_drm_client *client,
|
|
struct tegra_drm_context *context);
|
|
void (*close_channel)(struct tegra_drm_context *context);
|
|
int (*is_addr_reg)(struct device *dev, u32 class, u32 offset);
|
|
int (*submit)(struct tegra_drm_context *context,
|
|
struct drm_tegra_submit *args, struct drm_device *drm,
|
|
struct drm_file *file);
|
|
};
|
|
|
|
int tegra_drm_submit(struct tegra_drm_context *context,
|
|
struct drm_tegra_submit *args, struct drm_device *drm,
|
|
struct drm_file *file);
|
|
|
|
struct tegra_drm_client {
|
|
struct host1x_client base;
|
|
struct list_head list;
|
|
|
|
const struct tegra_drm_client_ops *ops;
|
|
};
|
|
|
|
static inline struct tegra_drm_client *
|
|
host1x_to_drm_client(struct host1x_client *client)
|
|
{
|
|
return container_of(client, struct tegra_drm_client, base);
|
|
}
|
|
|
|
extern int tegra_drm_register_client(struct tegra_drm *tegra,
|
|
struct tegra_drm_client *client);
|
|
extern int tegra_drm_unregister_client(struct tegra_drm *tegra,
|
|
struct tegra_drm_client *client);
|
|
|
|
extern int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm);
|
|
extern int tegra_drm_exit(struct tegra_drm *tegra);
|
|
|
|
struct tegra_dc_soc_info;
|
|
struct tegra_output;
|
|
|
|
struct tegra_dc {
|
|
struct host1x_client client;
|
|
struct device *dev;
|
|
spinlock_t lock;
|
|
|
|
struct drm_crtc base;
|
|
int pipe;
|
|
|
|
struct clk *clk;
|
|
struct reset_control *rst;
|
|
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;
|
|
|
|
const struct tegra_dc_soc_info *soc;
|
|
};
|
|
|
|
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 crtc ? container_of(crtc, struct tegra_dc, base) : NULL;
|
|
}
|
|
|
|
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];
|
|
bool bottom_up;
|
|
bool tiled;
|
|
};
|
|
|
|
/* 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 drm_connector_status (*detect)(struct tegra_output *output);
|
|
};
|
|
|
|
enum tegra_output_type {
|
|
TEGRA_OUTPUT_RGB,
|
|
TEGRA_OUTPUT_HDMI,
|
|
TEGRA_OUTPUT_DSI,
|
|
TEGRA_OUTPUT_EDP,
|
|
};
|
|
|
|
struct tegra_output {
|
|
struct device_node *of_node;
|
|
struct device *dev;
|
|
|
|
const struct tegra_output_ops *ops;
|
|
enum tegra_output_type type;
|
|
|
|
struct drm_panel *panel;
|
|
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 bus.c */
|
|
int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device);
|
|
void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device);
|
|
|
|
/* from rgb.c */
|
|
extern int tegra_dc_rgb_probe(struct tegra_dc *dc);
|
|
extern int tegra_dc_rgb_remove(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_probe(struct tegra_output *output);
|
|
extern int tegra_output_remove(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 dpaux.c */
|
|
|
|
struct tegra_dpaux;
|
|
struct drm_dp_link;
|
|
struct drm_dp_aux;
|
|
|
|
struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np);
|
|
enum drm_connector_status tegra_dpaux_detect(struct tegra_dpaux *dpaux);
|
|
int tegra_dpaux_attach(struct tegra_dpaux *dpaux, struct tegra_output *output);
|
|
int tegra_dpaux_detach(struct tegra_dpaux *dpaux);
|
|
int tegra_dpaux_enable(struct tegra_dpaux *dpaux);
|
|
int tegra_dpaux_disable(struct tegra_dpaux *dpaux);
|
|
int tegra_dpaux_prepare(struct tegra_dpaux *dpaux, u8 encoding);
|
|
int tegra_dpaux_train(struct tegra_dpaux *dpaux, struct drm_dp_link *link,
|
|
u8 pattern);
|
|
|
|
/* from fb.c */
|
|
struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer,
|
|
unsigned int index);
|
|
bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer);
|
|
bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer);
|
|
extern int tegra_drm_fb_init(struct drm_device *drm);
|
|
extern void tegra_drm_fb_exit(struct drm_device *drm);
|
|
#ifdef CONFIG_DRM_TEGRA_FBDEV
|
|
extern void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev);
|
|
#endif
|
|
|
|
extern struct platform_driver tegra_dc_driver;
|
|
extern struct platform_driver tegra_dsi_driver;
|
|
extern struct platform_driver tegra_sor_driver;
|
|
extern struct platform_driver tegra_hdmi_driver;
|
|
extern struct platform_driver tegra_dpaux_driver;
|
|
extern struct platform_driver tegra_gr2d_driver;
|
|
extern struct platform_driver tegra_gr3d_driver;
|
|
|
|
#endif /* HOST1X_DRM_H */
|