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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
*/
#ifndef __TIDSS_DISPC_H__
#define __TIDSS_DISPC_H__
#include "tidss_drv.h"
struct dispc_device;
struct drm_crtc_state;
enum tidss_gamma_type { TIDSS_GAMMA_8BIT, TIDSS_GAMMA_10BIT };
struct tidss_vp_feat {
struct tidss_vp_color_feat {
u32 gamma_size;
enum tidss_gamma_type gamma_type;
bool has_ctm;
} color;
};
struct tidss_plane_feat {
struct tidss_plane_color_feat {
u32 encodings;
u32 ranges;
enum drm_color_encoding default_encoding;
enum drm_color_range default_range;
} color;
struct tidss_plane_blend_feat {
bool global_alpha;
} blend;
};
struct dispc_features_scaling {
u32 in_width_max_5tap_rgb;
u32 in_width_max_3tap_rgb;
u32 in_width_max_5tap_yuv;
u32 in_width_max_3tap_yuv;
u32 upscale_limit;
u32 downscale_limit_5tap;
u32 downscale_limit_3tap;
u32 xinc_max;
};
struct dispc_errata {
bool i2000; /* DSS Does Not Support YUV Pixel Data Formats */
};
enum dispc_vp_bus_type {
DISPC_VP_DPI, /* DPI output */
DISPC_VP_OLDI, /* OLDI (LVDS) output */
DISPC_VP_INTERNAL, /* SoC internal routing */
DISPC_VP_TIED_OFF, /* Tied off / Unavailable */
DISPC_VP_MAX_BUS_TYPE,
};
enum dispc_dss_subrevision {
DISPC_K2G,
DISPC_AM625,
DISPC_AM62A7,
DISPC_AM65X,
DISPC_J721E,
};
struct dispc_features {
int min_pclk_khz;
int max_pclk_khz[DISPC_VP_MAX_BUS_TYPE];
struct dispc_features_scaling scaling;
enum dispc_dss_subrevision subrev;
const char *common;
const u16 *common_regs;
u32 num_vps;
const char *vp_name[TIDSS_MAX_PORTS]; /* Should match dt reg names */
const char *ovr_name[TIDSS_MAX_PORTS]; /* Should match dt reg names */
const char *vpclk_name[TIDSS_MAX_PORTS]; /* Should match dt clk names */
const enum dispc_vp_bus_type vp_bus_type[TIDSS_MAX_PORTS];
struct tidss_vp_feat vp_feat;
u32 num_planes;
const char *vid_name[TIDSS_MAX_PLANES]; /* Should match dt reg names */
bool vid_lite[TIDSS_MAX_PLANES];
u32 vid_order[TIDSS_MAX_PLANES];
};
extern const struct dispc_features dispc_k2g_feats;
extern const struct dispc_features dispc_am625_feats;
extern const struct dispc_features dispc_am62a7_feats;
extern const struct dispc_features dispc_am65x_feats;
extern const struct dispc_features dispc_j721e_feats;
void dispc_set_irqenable(struct dispc_device *dispc, dispc_irq_t mask);
dispc_irq_t dispc_read_and_clear_irqstatus(struct dispc_device *dispc);
void dispc_ovr_set_plane(struct dispc_device *dispc, u32 hw_plane,
u32 hw_videoport, u32 x, u32 y, u32 layer);
void dispc_ovr_enable_layer(struct dispc_device *dispc,
u32 hw_videoport, u32 layer, bool enable);
void dispc_vp_prepare(struct dispc_device *dispc, u32 hw_videoport,
const struct drm_crtc_state *state);
void dispc_vp_enable(struct dispc_device *dispc, u32 hw_videoport,
const struct drm_crtc_state *state);
void dispc_vp_disable(struct dispc_device *dispc, u32 hw_videoport);
void dispc_vp_unprepare(struct dispc_device *dispc, u32 hw_videoport);
bool dispc_vp_go_busy(struct dispc_device *dispc, u32 hw_videoport);
void dispc_vp_go(struct dispc_device *dispc, u32 hw_videoport);
int dispc_vp_bus_check(struct dispc_device *dispc, u32 hw_videoport,
const struct drm_crtc_state *state);
enum drm_mode_status dispc_vp_mode_valid(struct dispc_device *dispc,
u32 hw_videoport,
const struct drm_display_mode *mode);
int dispc_vp_enable_clk(struct dispc_device *dispc, u32 hw_videoport);
void dispc_vp_disable_clk(struct dispc_device *dispc, u32 hw_videoport);
int dispc_vp_set_clk_rate(struct dispc_device *dispc, u32 hw_videoport,
unsigned long rate);
void dispc_vp_setup(struct dispc_device *dispc, u32 hw_videoport,
const struct drm_crtc_state *state, bool newmodeset);
int dispc_runtime_suspend(struct dispc_device *dispc);
int dispc_runtime_resume(struct dispc_device *dispc);
int dispc_plane_check(struct dispc_device *dispc, u32 hw_plane,
const struct drm_plane_state *state,
u32 hw_videoport);
void dispc_plane_setup(struct dispc_device *dispc, u32 hw_plane,
const struct drm_plane_state *state,
u32 hw_videoport);
void dispc_plane_enable(struct dispc_device *dispc, u32 hw_plane, bool enable);
const u32 *dispc_plane_formats(struct dispc_device *dispc, unsigned int *len);
int dispc_init(struct tidss_device *tidss);
void dispc_remove(struct tidss_device *tidss);
#endif
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