/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.

 */

#ifndef __IOCTL_H__
#define __IOCTL_H__

#ifndef __user
#define __user
#endif

/* VIAFB IOCTL definition */
#define VIAFB_GET_INFO_SIZE             0x56494101      /* 'VIA\01' */
#define VIAFB_GET_INFO                  0x56494102      /* 'VIA\02' */
#define VIAFB_HOTPLUG                   0x56494103      /* 'VIA\03' */
#define VIAFB_SET_HOTPLUG_FLAG          0x56494104      /* 'VIA\04' */
#define VIAFB_GET_RESOLUTION            0x56494105      /* 'VIA\05' */
#define VIAFB_GET_SAMM_INFO             0x56494107      /* 'VIA\07' */
#define VIAFB_TURN_ON_OUTPUT_DEVICE     0x56494108      /* 'VIA\08' */
#define VIAFB_TURN_OFF_OUTPUT_DEVICE    0x56494109      /* 'VIA\09' */
#define VIAFB_GET_DEVICE                0x5649410B
#define VIAFB_GET_DRIVER_VERSION        0x56494112      /* 'VIA\12' */
#define VIAFB_GET_CHIP_INFO             0x56494113      /* 'VIA\13' */
#define VIAFB_GET_DEVICE_INFO           0x56494115

#define VIAFB_GET_DEVICE_SUPPORT        0x56494118
#define VIAFB_GET_DEVICE_CONNECT        0x56494119
#define VIAFB_GET_PANEL_SUPPORT_EXPAND  0x5649411A
#define VIAFB_GET_DRIVER_NAME           0x56494122
#define VIAFB_GET_DEVICE_SUPPORT_STATE  0x56494123
#define VIAFB_GET_GAMMA_LUT             0x56494124
#define VIAFB_SET_GAMMA_LUT             0x56494125
#define VIAFB_GET_GAMMA_SUPPORT_STATE   0x56494126
#define VIAFB_SYNC_SURFACE              0x56494130
#define VIAFB_GET_DRIVER_CAPS           0x56494131
#define VIAFB_GET_IGA_SCALING_INFO      0x56494132
#define VIAFB_GET_PANEL_MAX_SIZE        0x56494133
#define VIAFB_GET_PANEL_MAX_POSITION    0x56494134
#define VIAFB_SET_PANEL_SIZE            0x56494135
#define VIAFB_SET_PANEL_POSITION        0x56494136
#define VIAFB_GET_PANEL_POSITION        0x56494137
#define VIAFB_GET_PANEL_SIZE            0x56494138

#define None_Device 0x00
#define CRT_Device  0x01
#define LCD_Device  0x02
#define DVI_Device  0x08
#define CRT2_Device 0x10
#define LCD2_Device 0x40

#define OP_LCD_CENTERING   0x01
#define OP_LCD_PANEL_ID    0x02
#define OP_LCD_MODE        0x03

/*SAMM operation flag*/
#define OP_SAMM            0x80

#define LCD_PANEL_ID_MAXIMUM    23

#define STATE_ON            0x1
#define STATE_OFF           0x0
#define STATE_DEFAULT       0xFFFF

#define MAX_ACTIVE_DEV_NUM  2

struct device_t {
        unsigned short crt:1;
        unsigned short dvi:1;
        unsigned short lcd:1;
        unsigned short samm:1;
        unsigned short lcd_dsp_cent:1;
        unsigned char lcd_mode:1;
        unsigned short epia_dvi:1;
        unsigned short lcd_dual_edge:1;
        unsigned short lcd2:1;

        unsigned short primary_dev;
        unsigned char lcd_panel_id;
        unsigned short xres, yres;
        unsigned short xres1, yres1;
        unsigned short refresh;
        unsigned short bpp;
        unsigned short refresh1;
        unsigned short bpp1;
        unsigned short sequence;
        unsigned short bus_width;
};

struct viafb_ioctl_info {
        u32 viafb_id;           /* for identifying viafb */
#define VIAID       0x56494146  /* Identify myself with 'VIAF' */
        u16 vendor_id;
        u16 device_id;
        u8 version;
        u8 revision;
        u8 reserved[246];       /* for future use */
};

struct viafb_ioctl_mode {
        u32 xres;
        u32 yres;
        u32 refresh;
        u32 bpp;
        u32 xres_sec;
        u32 yres_sec;
        u32 virtual_xres_sec;
        u32 virtual_yres_sec;
        u32 refresh_sec;
        u32 bpp_sec;
};
struct viafb_ioctl_samm {
        u32 samm_status;
        u32 size_prim;
        u32 size_sec;
        u32 mem_base;
        u32 offset_sec;
};

struct viafb_driver_version {
        int iMajorNum;
        int iKernelNum;
        int iOSNum;
        int iMinorNum;
};

struct viafb_ioctl_lcd_attribute {
        unsigned int panel_id;
        unsigned int display_center;
        unsigned int lcd_mode;
};

struct viafb_ioctl_setting {
        /* Enable or disable active devices */
        unsigned short device_flag;
        /* Indicate which device should be turn on or turn off. */
        unsigned short device_status;
        unsigned int reserved;
        /* Indicate which LCD's attribute can be changed. */
        unsigned short lcd_operation_flag;
        /* 1: SAMM ON  0: SAMM OFF */
        unsigned short samm_status;
        /* horizontal resolution of first device */
        unsigned short first_dev_hor_res;
        /* vertical resolution of first device */
        unsigned short first_dev_ver_res;
        /* horizontal resolution of second device */
        unsigned short second_dev_hor_res;
        /* vertical resolution of second device */
        unsigned short second_dev_ver_res;
        /* refresh rate of first device */
        unsigned short first_dev_refresh;
        /* bpp of first device */
        unsigned short first_dev_bpp;
        /* refresh rate of second device */
        unsigned short second_dev_refresh;
        /* bpp of second device */
        unsigned short second_dev_bpp;
        /* Indicate which device are primary display device. */
        unsigned int primary_device;
        unsigned int struct_reserved[35];
        struct viafb_ioctl_lcd_attribute lcd_attributes;
};

struct _UTFunctionCaps {
        unsigned int dw3DScalingState;
        unsigned int reserved[31];
};

struct _POSITIONVALUE {
        unsigned int dwX;
        unsigned int dwY;
};

struct _panel_size_pos_info {
        unsigned int device_type;
        int x;
        int y;
};

extern int viafb_LCD_ON;
extern int viafb_DVI_ON;

int viafb_ioctl_get_viafb_info(u_long arg);
int viafb_ioctl_hotplug(int hres, int vres, int bpp);

#endif /* __IOCTL_H__ */