linux/include/video/mmp_disp.h
Thomas Gleixner 1ccea77e2a treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version 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 you
  should have received a copy of the gnu general public license along
  with this program if not see http www gnu org licenses

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version 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 [based]
  [from] [clk] [highbank] [c] you should have received a copy of the
  gnu general public license along with this program if not see http
  www gnu org licenses

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 355 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154041.837383322@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 11:28:45 +02:00

346 lines
7.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* linux/include/video/mmp_disp.h
* Header file for Marvell MMP Display Controller
*
* Copyright (C) 2012 Marvell Technology Group Ltd.
* Authors: Zhou Zhu <zzhu3@marvell.com>
*/
#ifndef _MMP_DISP_H_
#define _MMP_DISP_H_
#include <linux/kthread.h>
enum {
PIXFMT_UYVY = 0,
PIXFMT_VYUY,
PIXFMT_YUYV,
PIXFMT_YUV422P,
PIXFMT_YVU422P,
PIXFMT_YUV420P,
PIXFMT_YVU420P,
PIXFMT_RGB565 = 0x100,
PIXFMT_BGR565,
PIXFMT_RGB1555,
PIXFMT_BGR1555,
PIXFMT_RGB888PACK,
PIXFMT_BGR888PACK,
PIXFMT_RGB888UNPACK,
PIXFMT_BGR888UNPACK,
PIXFMT_RGBA888,
PIXFMT_BGRA888,
PIXFMT_RGB666, /* for output usage */
PIXFMT_PSEUDOCOLOR = 0x200,
};
static inline int pixfmt_to_stride(int pix_fmt)
{
switch (pix_fmt) {
case PIXFMT_RGB565:
case PIXFMT_BGR565:
case PIXFMT_RGB1555:
case PIXFMT_BGR1555:
case PIXFMT_UYVY:
case PIXFMT_VYUY:
case PIXFMT_YUYV:
return 2;
case PIXFMT_RGB888UNPACK:
case PIXFMT_BGR888UNPACK:
case PIXFMT_RGBA888:
case PIXFMT_BGRA888:
return 4;
case PIXFMT_RGB888PACK:
case PIXFMT_BGR888PACK:
return 3;
case PIXFMT_YUV422P:
case PIXFMT_YVU422P:
case PIXFMT_YUV420P:
case PIXFMT_YVU420P:
case PIXFMT_PSEUDOCOLOR:
return 1;
default:
return 0;
}
}
/* parameters used by path/overlay */
/* overlay related para: win/addr */
struct mmp_win {
/* position/size of window */
u16 xsrc;
u16 ysrc;
u16 xdst;
u16 ydst;
u16 xpos;
u16 ypos;
u16 left_crop;
u16 right_crop;
u16 up_crop;
u16 bottom_crop;
int pix_fmt;
/*
* pitch[0]: graphics/video layer line length or y pitch
* pitch[1]/pitch[2]: video u/v pitch if non-zero
*/
u32 pitch[3];
};
struct mmp_addr {
/* phys address */
u32 phys[6];
};
/* path related para: mode */
struct mmp_mode {
const char *name;
u32 refresh;
u32 xres;
u32 yres;
u32 left_margin;
u32 right_margin;
u32 upper_margin;
u32 lower_margin;
u32 hsync_len;
u32 vsync_len;
u32 hsync_invert;
u32 vsync_invert;
u32 invert_pixclock;
u32 pixclock_freq;
int pix_fmt_out;
};
/* main structures */
struct mmp_path;
struct mmp_overlay;
struct mmp_panel;
/* status types */
enum {
MMP_OFF = 0,
MMP_ON,
};
static inline const char *stat_name(int stat)
{
switch (stat) {
case MMP_OFF:
return "OFF";
case MMP_ON:
return "ON";
default:
return "UNKNOWNSTAT";
}
}
struct mmp_overlay_ops {
/* should be provided by driver */
void (*set_fetch)(struct mmp_overlay *overlay, int fetch_id);
void (*set_onoff)(struct mmp_overlay *overlay, int status);
void (*set_win)(struct mmp_overlay *overlay, struct mmp_win *win);
int (*set_addr)(struct mmp_overlay *overlay, struct mmp_addr *addr);
};
/* overlay describes a z-order indexed slot in each path. */
struct mmp_overlay {
int id;
const char *name;
struct mmp_path *path;
/* overlay info: private data */
int dmafetch_id;
struct mmp_addr addr;
struct mmp_win win;
/* state */
int open_count;
int status;
struct mutex access_ok;
struct mmp_overlay_ops *ops;
};
/* panel type */
enum {
PANELTYPE_ACTIVE = 0,
PANELTYPE_SMART,
PANELTYPE_TV,
PANELTYPE_DSI_CMD,
PANELTYPE_DSI_VIDEO,
};
struct mmp_panel {
/* use node to register to list */
struct list_head node;
const char *name;
/* path name used to connect to proper path configed */
const char *plat_path_name;
struct device *dev;
int panel_type;
void *plat_data;
int (*get_modelist)(struct mmp_panel *panel,
struct mmp_mode **modelist);
void (*set_mode)(struct mmp_panel *panel,
struct mmp_mode *mode);
void (*set_onoff)(struct mmp_panel *panel,
int status);
};
struct mmp_path_ops {
int (*check_status)(struct mmp_path *path);
struct mmp_overlay *(*get_overlay)(struct mmp_path *path,
int overlay_id);
int (*get_modelist)(struct mmp_path *path,
struct mmp_mode **modelist);
/* follow ops should be provided by driver */
void (*set_mode)(struct mmp_path *path, struct mmp_mode *mode);
void (*set_onoff)(struct mmp_path *path, int status);
/* todo: add query */
};
/* path output types */
enum {
PATH_OUT_PARALLEL,
PATH_OUT_DSI,
PATH_OUT_HDMI,
};
/* path is main part of mmp-disp */
struct mmp_path {
/* use node to register to list */
struct list_head node;
/* init data */
struct device *dev;
int id;
const char *name;
int output_type;
struct mmp_panel *panel;
void *plat_data;
/* dynamic use */
struct mmp_mode mode;
/* state */
int open_count;
int status;
struct mutex access_ok;
struct mmp_path_ops ops;
/* layers */
int overlay_num;
struct mmp_overlay overlays[0];
};
extern struct mmp_path *mmp_get_path(const char *name);
static inline void mmp_path_set_mode(struct mmp_path *path,
struct mmp_mode *mode)
{
if (path)
path->ops.set_mode(path, mode);
}
static inline void mmp_path_set_onoff(struct mmp_path *path, int status)
{
if (path)
path->ops.set_onoff(path, status);
}
static inline int mmp_path_get_modelist(struct mmp_path *path,
struct mmp_mode **modelist)
{
if (path)
return path->ops.get_modelist(path, modelist);
return 0;
}
static inline struct mmp_overlay *mmp_path_get_overlay(
struct mmp_path *path, int overlay_id)
{
if (path)
return path->ops.get_overlay(path, overlay_id);
return NULL;
}
static inline void mmp_overlay_set_fetch(struct mmp_overlay *overlay,
int fetch_id)
{
if (overlay)
overlay->ops->set_fetch(overlay, fetch_id);
}
static inline void mmp_overlay_set_onoff(struct mmp_overlay *overlay,
int status)
{
if (overlay)
overlay->ops->set_onoff(overlay, status);
}
static inline void mmp_overlay_set_win(struct mmp_overlay *overlay,
struct mmp_win *win)
{
if (overlay)
overlay->ops->set_win(overlay, win);
}
static inline int mmp_overlay_set_addr(struct mmp_overlay *overlay,
struct mmp_addr *addr)
{
if (overlay)
return overlay->ops->set_addr(overlay, addr);
return 0;
}
/*
* driver data is set from each detailed ctrl driver for path usage
* it defined a common interface that plat driver need to implement
*/
struct mmp_path_info {
/* driver data, set when registed*/
const char *name;
struct device *dev;
int id;
int output_type;
int overlay_num;
void (*set_mode)(struct mmp_path *path, struct mmp_mode *mode);
void (*set_onoff)(struct mmp_path *path, int status);
struct mmp_overlay_ops *overlay_ops;
void *plat_data;
};
extern struct mmp_path *mmp_register_path(
struct mmp_path_info *info);
extern void mmp_unregister_path(struct mmp_path *path);
extern void mmp_register_panel(struct mmp_panel *panel);
extern void mmp_unregister_panel(struct mmp_panel *panel);
/* defintions for platform data */
/* interface for buffer driver */
struct mmp_buffer_driver_mach_info {
const char *name;
const char *path_name;
int overlay_id;
int dmafetch_id;
int default_pixfmt;
};
/* interface for controllers driver */
struct mmp_mach_path_config {
const char *name;
int overlay_num;
int output_type;
u32 path_config;
u32 link_config;
u32 dsi_rbswap;
};
struct mmp_mach_plat_info {
const char *name;
const char *clk_name;
int path_num;
struct mmp_mach_path_config *paths;
};
/* interface for panel drivers */
struct mmp_mach_panel_info {
const char *name;
void (*plat_set_onoff)(int status);
const char *plat_path_name;
};
#endif /* _MMP_DISP_H_ */