/* 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 __VIAFBDEV_H__
#define __VIAFBDEV_H__

#include <linux/proc_fs.h>
#include <linux/fb.h>
#include <linux/spinlock.h>

#include "via_aux.h"
#include "ioctl.h"
#include "share.h"
#include "chip.h"
#include "hw.h"

#define VERSION_MAJOR       2
#define VERSION_KERNEL      6   /* For kernel 2.6 */

#define VERSION_OS          0   /* 0: for 32 bits OS, 1: for 64 bits OS */
#define VERSION_MINOR       4

#define VIAFB_NUM_I2C           5

struct viafb_shared {
        u32 iga1_devices;
        u32 iga2_devices;

        struct proc_dir_entry *proc_entry;      /*viafb proc entry */
        struct proc_dir_entry *iga1_proc_entry;
        struct proc_dir_entry *iga2_proc_entry;
        struct viafb_dev *vdev;                 /* Global dev info */

        /* I2C busses that may have auxiliary devices */
        struct via_aux_bus *i2c_26;
        struct via_aux_bus *i2c_31;
        struct via_aux_bus *i2c_2C;

        /* All the information will be needed to set engine */
        struct tmds_setting_information tmds_setting_info;
        struct lvds_setting_information lvds_setting_info;
        struct lvds_setting_information lvds_setting_info2;
        struct chip_information chip_info;

        /* hardware acceleration stuff */
        u32 cursor_vram_addr;
        u32 vq_vram_addr;       /* virtual queue address in video ram */
        int (*hw_bitblt)(void __iomem *engine, u8 op, u32 width, u32 height,
                u8 dst_bpp, u32 dst_addr, u32 dst_pitch, u32 dst_x, u32 dst_y,
                u32 *src_mem, u32 src_addr, u32 src_pitch, u32 src_x, u32 src_y,
                u32 fg_color, u32 bg_color, u8 fill_rop);
};

struct viafb_par {
        u8 depth;
        u32 vram_addr;

        unsigned int fbmem;     /*framebuffer physical memory address */
        unsigned int memsize;   /*size of fbmem */
        u32 fbmem_free;         /* Free FB memory */
        u32 fbmem_used;         /* Use FB memory size */
        u32 iga_path;

        struct viafb_shared *shared;

        /* All the information will be needed to set engine */
        /* depreciated, use the ones in shared directly */
        struct tmds_setting_information *tmds_setting_info;
        struct lvds_setting_information *lvds_setting_info;
        struct lvds_setting_information *lvds_setting_info2;
        struct chip_information *chip_info;
};

extern int viafb_SAMM_ON;
extern int viafb_dual_fb;
extern int viafb_LCD2_ON;
extern int viafb_LCD_ON;
extern int viafb_DVI_ON;
extern int viafb_hotplug;

u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
        *plvds_setting_info, struct lvds_chip_information
        *plvds_chip_info, u8 index);
void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
                              *plvds_setting_info, struct lvds_chip_information
                              *plvds_chip_info, struct IODATA io_data);
int via_fb_pci_probe(struct viafb_dev *vdev);
void via_fb_pci_remove(struct pci_dev *pdev);
/* Temporary */
int viafb_init(void);
void viafb_exit(void);
#endif /* __VIAFBDEV_H__ */