drivers/video/via/viafbdev.h

   1 /*
   2  * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
   4
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public
   7  * License as published by the Free Software Foundation;
   8  * either version 2, or (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
  12  * the implied warranty of MERCHANTABILITY or FITNESS FOR
  13  * A PARTICULAR PURPOSE.See the GNU General Public License
  14  * for more details.
  15
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc.,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef __VIAFBDEV_H__
  23 #define __VIAFBDEV_H__
  24
  25 #include <linux/proc_fs.h>
  26 #include <linux/fb.h>
  27
  28 #include "ioctl.h"
  29 #include "share.h"
  30 #include "chip.h"
  31 #include "hw.h"
  32 #include "via_i2c.h"
  33
  34 #define VERSION_MAJOR       2
  35 #define VERSION_KERNEL      6   /* For kernel 2.6 */
  36
  37 #define VERSION_OS          0   /* 0: for 32 bits OS, 1: for 64 bits OS */
  38 #define VERSION_MINOR       4
  39
  40 struct viafb_par {
  41         int bpp;
  42         int hres;
  43         int vres;
  44         int linelength;
  45         u32 xoffset;
  46         u32 yoffset;
  47
  48         void __iomem *fbmem_virt;       /*framebuffer virtual memory address */
  49         void __iomem *io_virt;  /*iospace virtual memory address */
  50         unsigned int fbmem;     /*framebuffer physical memory address */
  51         unsigned int memsize;   /*size of fbmem */
  52         unsigned int io;        /*io space address */
  53         unsigned long mmio_base;        /*mmio base address */
  54         unsigned long mmio_len; /*mmio base length */
  55         u32 fbmem_free;         /* Free FB memory */
  56         u32 fbmem_used;         /* Use FB memory size */
  57         u32 cursor_start;       /* Cursor Start Address */
  58         u32 VQ_start;           /* Virtual Queue Start Address */
  59         u32 VQ_end;             /* Virtual Queue End Address */
  60         u32 iga_path;
  61         struct proc_dir_entry *proc_entry;      /*viafb proc entry */
  62         u8 duoview;             /*Is working in duoview mode? */
  63
  64         /* I2C stuff */
  65         struct via_i2c_stuff i2c_stuff;
  66
  67         /* All the information will be needed to set engine */
  68         struct tmds_setting_information *tmds_setting_info;
  69         struct crt_setting_information *crt_setting_info;
  70         struct lvds_setting_information *lvds_setting_info;
  71         struct lvds_setting_information *lvds_setting_info2;
  72         struct chip_information *chip_info;
  73
  74         /* some information related to video playing */
  75         int video_on_crt;
  76         int video_on_dvi;
  77         int video_on_lcd;
  78
  79 };
  80 struct viafb_modeinfo {
  81         u32 xres;
  82         u32 yres;
  83         int mode_index;
  84 };
  85 extern unsigned int viafb_second_virtual_yres;
  86 extern unsigned int viafb_second_virtual_xres;
  87 extern unsigned int viafb_second_offset;
  88 extern int viafb_second_size;
  89 extern int viafb_SAMM_ON;
  90 extern int viafb_dual_fb;
  91 extern int viafb_LCD2_ON;
  92 extern int viafb_LCD_ON;
  93 extern int viafb_DVI_ON;
  94 extern int viafb_accel;
  95 extern int viafb_hotplug;
  96 extern int viafb_memsize;
  97
  98 extern int strict_strtoul(const char *cp, unsigned int base,
  99         unsigned long *res);
 100
 101 void viafb_memory_pitch_patch(struct fb_info *info);
 102 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
 103                           int mode_index);
 104 int viafb_get_mode_index(int hres, int vres);
 105 u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
 106         *plvds_setting_info, struct lvds_chip_information
 107         *plvds_chip_info, u8 index);
 108 void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
 109                               *plvds_setting_info, struct lvds_chip_information
 110                               *plvds_chip_info, struct IODATA io_data);
 111 #endif /* __VIAFBDEV_H__ */