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/*
* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
* Author:Mark Yao <mark.yao@rock-chips.com>
*
* based on exynos_drm_drv.h
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that 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.
*/
#ifndef _ROCKCHIP_DRM_DRV_H
#define _ROCKCHIP_DRM_DRV_H
#include <drm/drm_fb_helper.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_gem.h>
#include <linux/module.h>
#include <linux/component.h>
#define ROCKCHIP_MAX_FB_BUFFER 3
#define ROCKCHIP_MAX_CONNECTOR 2
#define ROCKCHIP_MAX_CRTC 2
struct drm_device;
struct drm_connector;
struct iommu_domain;
/*
* Rockchip drm private crtc funcs.
* @loader_protect: protect loader logo crtc's power
* @enable_vblank: enable crtc vblank irq.
* @disable_vblank: disable crtc vblank irq.
* @bandwidth: report present crtc bandwidth consume.
*/
struct rockchip_crtc_funcs {
int (*loader_protect)(struct drm_crtc *crtc, bool on);
int (*enable_vblank)(struct drm_crtc *crtc);
void (*disable_vblank)(struct drm_crtc *crtc);
size_t (*bandwidth)(struct drm_crtc *crtc,
struct drm_crtc_state *crtc_state);
void (*cancel_pending_vblank)(struct drm_crtc *crtc, struct drm_file *file_priv);
int (*debugfs_init)(struct drm_minor *minor, struct drm_crtc *crtc);
int (*debugfs_dump)(struct drm_crtc *crtc, struct seq_file *s);
void (*regs_dump)(struct drm_crtc *crtc, struct seq_file *s);
enum drm_mode_status (*mode_valid)(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
int output_type);
void (*crtc_close)(struct drm_crtc *crtc);
};
struct drm_rockchip_subdrv {
struct list_head list;
struct device *dev;
struct drm_device *drm_dev;
int (*open)(struct drm_device *drm_dev, struct device *dev,
struct drm_file *file);
void (*close)(struct drm_device *drm_dev, struct device *dev,
struct drm_file *file);
};
struct rockchip_atomic_commit {
struct drm_atomic_state *state;
struct drm_device *dev;
size_t bandwidth;
};
struct rockchip_dclk_pll {
struct clk *pll;
unsigned int use_count;
};
struct rockchip_sdr2hdr_state {
int sdr2hdr_func;
bool bt1886eotf_pre_conv_en;
bool rgb2rgb_pre_conv_en;
bool rgb2rgb_pre_conv_mode;
bool st2084oetf_pre_conv_en;
bool bt1886eotf_post_conv_en;
bool rgb2rgb_post_conv_en;
bool rgb2rgb_post_conv_mode;
bool st2084oetf_post_conv_en;
};
struct rockchip_hdr_state {
bool pre_overlay;
bool hdr2sdr_en;
struct rockchip_sdr2hdr_state sdr2hdr_state;
};
struct rockchip_crtc_state {
struct drm_crtc_state base;
struct drm_property_blob *cabc_lut;
struct drm_tv_connector_state *tv_state;
int left_margin;
int right_margin;
int top_margin;
int bottom_margin;
int afbdc_win_format;
int afbdc_win_width;
int afbdc_win_height;
int afbdc_win_ptr;
int afbdc_win_id;
int afbdc_en;
int afbdc_win_vir_width;
int afbdc_win_xoffset;
int afbdc_win_yoffset;
int cabc_mode;
int cabc_stage_up;
int cabc_stage_down;
int cabc_global_dn;
int cabc_calc_pixel_num;
int dsp_layer_sel;
int output_type;
int output_mode;
int output_flags;
int bus_format;
int yuv_overlay;
int post_r2y_en;
int post_y2r_en;
int post_csc_mode;
int bcsh_en;
int color_space;
int eotf;
struct rockchip_hdr_state hdr;
struct drm_framebuffer *crtc_primary_fb;
};
#define to_rockchip_crtc_state(s) \
container_of(s, struct rockchip_crtc_state, base)
/*
* Rockchip drm_file private structure.
*
* @gem_cpu_acquire_list: list of GEM objects we hold acquires on
*/
struct rockchip_drm_file_private {
struct list_head gem_cpu_acquire_list;
struct rockchip_drm_rga_private *rga_priv;
};
struct rockchip_logo {
struct sg_table *sgt;
struct drm_mm_node mm;
dma_addr_t dma_addr;
void *kvaddr;
phys_addr_t start;
phys_addr_t size;
size_t iommu_map_size;
int count;
};
/*
* Rockchip drm private structure.
*
* @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
* @num_pipe: number of pipes for this device.
* @cpu_fence_context: fence context used for CPU acquire/release
* @cpu_fence_seqno: fence sequence number
*/
struct rockchip_drm_private {
struct rockchip_logo *logo;
struct drm_property *logo_ymirror_prop;
struct drm_property *cabc_mode_property;
struct drm_property *cabc_lut_property;
struct drm_property *cabc_stage_up_property;
struct drm_property *cabc_stage_down_property;
struct drm_property *cabc_global_dn_property;
struct drm_property *cabc_calc_pixel_num_property;
struct drm_property *eotf_prop;
struct drm_property *color_space_prop;
struct drm_property *global_alpha_prop;
struct drm_property *blend_mode_prop;
struct drm_property *alpha_scale_prop;
void *backlight;
struct drm_fb_helper *fbdev_helper;
struct drm_gem_object *fbdev_bo;
const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
struct drm_atomic_state *state;
struct rockchip_atomic_commit *commit;
/* protect async commit */
struct mutex commit_lock;
struct work_struct commit_work;
struct iommu_domain *domain;
struct gen_pool *secure_buffer_pool;
#ifdef CONFIG_DRM_DMA_SYNC
unsigned int cpu_fence_context;
atomic_t cpu_fence_seqno;
#endif
/* protect drm_mm on multi-threads */
struct mutex mm_lock;
struct drm_mm mm;
struct rockchip_dclk_pll default_pll;
struct rockchip_dclk_pll hdmi_pll;
struct devfreq *devfreq;
bool dmc_support;
};
#ifndef MODULE
void rockchip_free_loader_memory(struct drm_device *drm);
#endif
void rockchip_drm_atomic_work(struct work_struct *work);
int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
const struct rockchip_crtc_funcs *crtc_funcs);
void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
struct device *dev);
void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
struct device *dev);
int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
unsigned int mstimeout);
int rockchip_drm_register_subdrv(struct drm_rockchip_subdrv *subdrv);
int rockchip_drm_unregister_subdrv(struct drm_rockchip_subdrv *subdrv);
#endif /* _ROCKCHIP_DRM_DRV_H_ */
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