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_shared {
  41         struct proc_dir_entry *proc_entry;      /*viafb proc entry */
  42
  43         /* I2C stuff */
  44         struct via_i2c_stuff i2c_stuff;
  45
  46         /* All the information will be needed to set engine */
  47         struct tmds_setting_information tmds_setting_info;
  48         struct crt_setting_information crt_setting_info;
  49         struct lvds_setting_information lvds_setting_info;
  50         struct lvds_setting_information lvds_setting_info2;
  51         struct chip_information chip_info;
  52
  53         /* hardware acceleration stuff */
  54         void __iomem *engine_mmio;
  55         u32 cursor_vram_addr;
  56         u32 vq_vram_addr;       /* virtual queue address in video ram */
  57         int (*hw_bitblt)(void __iomem *engine, u8 op, u32 width, u32 height,
  58                 u8 dst_bpp, u32 dst_addr, u32 dst_pitch, u32 dst_x, u32 dst_y,
  59                 u32 *src_mem, u32 src_addr, u32 src_pitch, u32 src_x, u32 src_y,
  60                 u32 fg_color, u32 bg_color, u8 fill_rop);
  61 };
  62
  63 struct viafb_par {
  64         u8 depth;
  65         u32 vram_addr;
  66
  67         unsigned int fbmem;     /*framebuffer physical memory address */
  68         unsigned int memsize;   /*size of fbmem */
  69         u32 fbmem_free;         /* Free FB memory */
  70         u32 fbmem_used;         /* Use FB memory size */
  71         u32 iga_path;
  72
  73         struct viafb_shared *shared;
  74
  75         /* All the information will be needed to set engine */
  76         /* depreciated, use the ones in shared directly */
  77         struct tmds_setting_information *tmds_setting_info;
  78         struct crt_setting_information *crt_setting_info;
  79         struct lvds_setting_information *lvds_setting_info;
  80         struct lvds_setting_information *lvds_setting_info2;
  81         struct chip_information *chip_info;
  82 };
  83
  84 extern unsigned int viafb_second_virtual_yres;
  85 extern unsigned int viafb_second_virtual_xres;
  86 extern unsigned int viafb_second_offset;
  87 extern int viafb_second_size;
  88 extern int viafb_SAMM_ON;
  89 extern int viafb_dual_fb;
  90 extern int viafb_LCD2_ON;
  91 extern int viafb_LCD_ON;
  92 extern int viafb_DVI_ON;
  93 extern int viafb_hotplug;
  94 extern int viafb_memsize;
  95
  96 extern int strict_strtoul(const char *cp, unsigned int base,
  97         unsigned long *res);
  98
  99 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
 100                           int mode_index);
 101 int viafb_get_mode_index(int hres, int vres);
 102 u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
 103         *plvds_setting_info, struct lvds_chip_information
 104         *plvds_chip_info, u8 index);
 105 void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information
 106                               *plvds_setting_info, struct lvds_chip_information
 107                               *plvds_chip_info, struct IODATA io_data);
 108 #endif /* __VIAFBDEV_H__ */