/* * linux/drivers/video/vt8623fb.c - fbdev driver for * integrated graphic core in VIA VT8623 [CLE266] chipset * * Copyright (c) 2006-2007 Ondrej Zajicek <[email protected]> * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. * * Code is based on s3fb, some parts are from David Boucher's viafb * (http://davesdomain.org.uk/viafb/) */ #include <linux/aperture.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/tty.h> #include <linux/delay.h> #include <linux/fb.h> #include <linux/svga.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/console.h> /* Why should fb driver call console functions? because console_lock() */ #include <video/vga.h> struct vt8623fb_info { … }; /* ------------------------------------------------------------------------- */ static const struct svga_fb_format vt8623fb_formats[] = …; static const struct svga_pll vt8623_pll = …; /* CRT timing register sets */ static const struct vga_regset vt8623_h_total_regs[] = …; static const struct vga_regset vt8623_h_display_regs[] = …; static const struct vga_regset vt8623_h_blank_start_regs[] = …; static const struct vga_regset vt8623_h_blank_end_regs[] = …; static const struct vga_regset vt8623_h_sync_start_regs[] = …; static const struct vga_regset vt8623_h_sync_end_regs[] = …; static const struct vga_regset vt8623_v_total_regs[] = …; static const struct vga_regset vt8623_v_display_regs[] = …; static const struct vga_regset vt8623_v_blank_start_regs[] = …; static const struct vga_regset vt8623_v_blank_end_regs[] = …; static const struct vga_regset vt8623_v_sync_start_regs[] = …; static const struct vga_regset vt8623_v_sync_end_regs[] = …; static const struct vga_regset vt8623_offset_regs[] = …; static const struct vga_regset vt8623_line_compare_regs[] = …; static const struct vga_regset vt8623_fetch_count_regs[] = …; static const struct vga_regset vt8623_start_address_regs[] = …; static const struct svga_timing_regs vt8623_timing_regs = …; /* ------------------------------------------------------------------------- */ /* Module parameters */ static char *mode_option = …; static int mtrr = …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …; module_param(mode_option, charp, 0644); MODULE_PARM_DESC(…) …; module_param_named(mode, mode_option, charp, 0); MODULE_PARM_DESC(…) …; module_param(mtrr, int, 0444); MODULE_PARM_DESC(…) …; /* ------------------------------------------------------------------------- */ static void vt8623fb_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) { … } static struct fb_tile_ops vt8623fb_tile_ops = …; /* ------------------------------------------------------------------------- */ /* image data is MSB-first, fb structure is MSB-first too */ static inline u32 expand_color(u32 c) { … } /* vt8623fb_iplan_imageblit silently assumes that almost everything is 8-pixel aligned */ static void vt8623fb_iplan_imageblit(struct fb_info *info, const struct fb_image *image) { … } /* vt8623fb_iplan_fillrect silently assumes that almost everything is 8-pixel aligned */ static void vt8623fb_iplan_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { … } /* image data is MSB-first, fb structure is high-nibble-in-low-byte-first */ static inline u32 expand_pixel(u32 c) { … } /* vt8623fb_cfb4_imageblit silently assumes that almost everything is 8-pixel aligned */ static void vt8623fb_cfb4_imageblit(struct fb_info *info, const struct fb_image *image) { … } static void vt8623fb_imageblit(struct fb_info *info, const struct fb_image *image) { … } static void vt8623fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { … } /* ------------------------------------------------------------------------- */ static void vt8623_set_pixclock(struct fb_info *info, u32 pixclock) { … } static int vt8623fb_open(struct fb_info *info, int user) { … } static int vt8623fb_release(struct fb_info *info, int user) { … } static int vt8623fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { … } static int vt8623fb_set_par(struct fb_info *info) { … } static int vt8623fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *fb) { … } static int vt8623fb_blank(int blank_mode, struct fb_info *info) { … } static int vt8623fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { … } /* ------------------------------------------------------------------------- */ /* Frame buffer operations */ static const struct fb_ops vt8623fb_ops = …; /* PCI probe */ static int vt8623_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { … } /* PCI remove */ static void vt8623_pci_remove(struct pci_dev *dev) { … } /* PCI suspend */ static int __maybe_unused vt8623_pci_suspend(struct device *dev) { … } /* PCI resume */ static int __maybe_unused vt8623_pci_resume(struct device *dev) { … } static const struct dev_pm_ops vt8623_pci_pm_ops = …; /* List of boards that we are trying to support */ static const struct pci_device_id vt8623_devices[] = …; MODULE_DEVICE_TABLE(pci, vt8623_devices); static struct pci_driver vt8623fb_pci_driver = …; /* Cleanup */ static void __exit vt8623fb_cleanup(void) { … } /* Driver Initialisation */ static int __init vt8623fb_init(void) { … } /* ------------------------------------------------------------------------- */ /* Modularization */ module_init(…) …; module_exit(vt8623fb_cleanup);
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