/* * drivers/video/asiliantfb.c * frame buffer driver for Asiliant 69000 chip * Copyright (C) 2001-2003 Saito.K & Jeanne * * from driver/video/chipsfb.c and, * * drivers/video/asiliantfb.c -- frame buffer device for * Asiliant 69030 chip (formerly Intel, formerly Chips & Technologies) * Author: [email protected] * Copyright (C) 2000 AG Electronics * Note: the data sheets don't seem to be available from Asiliant. * They are available by searching developer.intel.com, but are not otherwise * linked to. * * This driver should be portable with minimal effort to the 69000 display * chip, and to the twin-display mode of the 69030. * Contains code from Thomas Hhenleitner <[email protected]> (thanks) * * Derived from the CT65550 driver chipsfb.c: * Copyright (C) 1998 Paul Mackerras * ...which was derived from the Powermac "chips" driver: * Copyright (C) 1997 Fabio Riccardi. * And from the frame buffer device for Open Firmware-initialized devices: * Copyright (C) 1997 Geert Uytterhoeven. * * 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. */ #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/vmalloc.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/pci.h> #include <asm/io.h> /* Built in clock of the 69030 */ static const unsigned Fref = …; #define mmio_base … #define mm_write_ind(num, val, ap, dp) … static void mm_write_xr(struct fb_info *p, u8 reg, u8 data) { … } #define write_xr(num, val) … static void mm_write_fr(struct fb_info *p, u8 reg, u8 data) { … } #define write_fr(num, val) … static void mm_write_cr(struct fb_info *p, u8 reg, u8 data) { … } #define write_cr(num, val) … static void mm_write_gr(struct fb_info *p, u8 reg, u8 data) { … } #define write_gr(num, val) … static void mm_write_sr(struct fb_info *p, u8 reg, u8 data) { … } #define write_sr(num, val) … static void mm_write_ar(struct fb_info *p, u8 reg, u8 data) { … } #define write_ar(num, val) … static int asiliantfb_pci_init(struct pci_dev *dp, const struct pci_device_id *); static int asiliantfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info); static int asiliantfb_set_par(struct fb_info *info); static int asiliantfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *info); static const struct fb_ops asiliantfb_ops = …; /* Calculate the ratios for the dot clocks without using a single long long * value */ static void asiliant_calc_dclk2(u32 *ppixclock, u8 *dclk2_m, u8 *dclk2_n, u8 *dclk2_div) { … } static void asiliant_set_timing(struct fb_info *p) { … } static int asiliantfb_check_var(struct fb_var_screeninfo *var, struct fb_info *p) { … } static int asiliantfb_set_par(struct fb_info *p) { … } static int asiliantfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, u_int transp, struct fb_info *p) { … } struct chips_init_reg { … }; static struct chips_init_reg chips_init_sr[] = …; static struct chips_init_reg chips_init_gr[] = …; static struct chips_init_reg chips_init_ar[] = …; static struct chips_init_reg chips_init_cr[] = …; static struct chips_init_reg chips_init_fr[] = …; static struct chips_init_reg chips_init_xr[] = …; static void chips_hw_init(struct fb_info *p) { … } static const struct fb_fix_screeninfo asiliantfb_fix = …; static const struct fb_var_screeninfo asiliantfb_var = …; static int init_asiliant(struct fb_info *p, unsigned long addr) { … } static int asiliantfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent) { … } static void asiliantfb_remove(struct pci_dev *dp) { … } static const struct pci_device_id asiliantfb_pci_tbl[] = …; MODULE_DEVICE_TABLE(pci, asiliantfb_pci_tbl); static struct pci_driver asiliantfb_driver = …; static int __init asiliantfb_init(void) { … } module_init(…) …; static void __exit asiliantfb_exit(void) { … } MODULE_LICENSE(…) …;
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