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/* 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
/* 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_DRIVER_NAME 0x56494122
#define VIAFB_GET_GAMMA_LUT 0x56494124
#define VIAFB_SET_GAMMA_LUT 0x56494125
#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_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 STATE_ON 0x1
#define STATE_OFF 0x0
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];
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__ */