// SPDX-License-Identifier: GPL-2.0-only /* * i740fb - framebuffer driver for Intel740 * Copyright (c) 2011 Ondrej Zary * * Based on old i740fb driver (c) 2001-2002 Andrey Ulanov <[email protected]> * which was partially based on: * VGA 16-color framebuffer driver (c) 1999 Ben Pfaff <[email protected]> * and Petr Vandrovec <[email protected]> * i740 driver from XFree86 (c) 1998-1999 Precision Insight, Inc., Cedar Park, * Texas. * i740fb by Patrick LERDA, v0.9 */ #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/slab.h> #include <linux/delay.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <linux/console.h> #include <video/vga.h> #include "i740_reg.h" static char *mode_option; static int mtrr = …; struct i740fb_par { … }; #define DACSPEED8 … #define DACSPEED16 … #define DACSPEED24_SG … #define DACSPEED24_SD … #define DACSPEED32 … static const struct fb_fix_screeninfo i740fb_fix = …; static inline void i740outb(struct i740fb_par *par, u16 port, u8 val) { … } static inline u8 i740inb(struct i740fb_par *par, u16 port) { … } static inline void i740outreg(struct i740fb_par *par, u16 port, u8 reg, u8 val) { … } static inline u8 i740inreg(struct i740fb_par *par, u16 port, u8 reg) { … } static inline void i740outreg_mask(struct i740fb_par *par, u16 port, u8 reg, u8 val, u8 mask) { … } #define REG_DDC_DRIVE … #define REG_DDC_STATE … #define DDC_SCL … #define DDC_SDA … static void i740fb_ddc_setscl(void *data, int val) { … } static void i740fb_ddc_setsda(void *data, int val) { … } static int i740fb_ddc_getscl(void *data) { … } static int i740fb_ddc_getsda(void *data) { … } static int i740fb_setup_ddc_bus(struct fb_info *info) { … } static int i740fb_open(struct fb_info *info, int user) { … } static int i740fb_release(struct fb_info *info, int user) { … } static u32 i740_calc_fifo(struct i740fb_par *par, u32 freq, int bpp) { … } /* clock calculation from i740fb by Patrick LERDA */ #define I740_RFREQ … #define TARGET_MAX_N … #define I740_FFIX … #define I740_RFREQ_FIX … #define I740_REF_FREQ … #define I740_MAX_VCO_FREQ … static void i740_calc_vclk(u32 freq, struct i740fb_par *par) { … } static int i740fb_decode_var(const struct fb_var_screeninfo *var, struct i740fb_par *par, struct fb_info *info) { … } static int i740fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { … } static void vga_protect(struct i740fb_par *par) { … } static void vga_unprotect(struct i740fb_par *par) { … } static int i740fb_set_par(struct fb_info *info) { … } static int i740fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { … } static int i740fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { … } static int i740fb_blank(int blank_mode, struct fb_info *info) { … } static const struct fb_ops i740fb_ops = …; /* ------------------------------------------------------------------------- */ static int i740fb_probe(struct pci_dev *dev, const struct pci_device_id *ent) { … } static void i740fb_remove(struct pci_dev *dev) { … } static int __maybe_unused i740fb_suspend(struct device *dev) { … } static int __maybe_unused i740fb_resume(struct device *dev) { … } static const struct dev_pm_ops i740fb_pm_ops = …; #define I740_ID_PCI … #define I740_ID_AGP … static const struct pci_device_id i740fb_id_table[] = …; MODULE_DEVICE_TABLE(pci, i740fb_id_table); static struct pci_driver i740fb_driver = …; #ifndef MODULE static int __init i740fb_setup(char *options) { … } #endif static int __init i740fb_init(void) { … } static void __exit i740fb_exit(void) { … } module_init(…) …; module_exit(i740fb_exit); MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_DESCRIPTION(…) …; module_param(mode_option, charp, 0444); MODULE_PARM_DESC(…) …; module_param(mtrr, int, 0444); MODULE_PARM_DESC(…) …;
Codebase Browser
linux