// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. */ #include <linux/compiler.h> #include <linux/module.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/stat.h> #include <linux/via-core.h> #include <linux/via_i2c.h> #define _MASTER_FILE #include "global.h" static char *viafb_name = …; static u32 pseudo_pal[17]; /* video mode */ static char *viafb_mode; static char *viafb_mode1; static int viafb_bpp = …; static int viafb_bpp1 = …; static unsigned int viafb_second_offset; static int viafb_second_size; static int viafb_accel = …; /* Added for specifying active devices.*/ static char *viafb_active_dev; /*Added for specify lcd output port*/ static char *viafb_lcd_port = …; static char *viafb_dvi_port = …; static void retrieve_device_setting(struct viafb_ioctl_setting *setting_info); static int viafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info); static struct fb_ops viafb_ops; /* supported output devices on each IGP * only CX700, VX800, VX855, VX900 were documented * VIA_CRT should be everywhere * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL * source selection on CX700 and later * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c */ static const u32 supported_odev_map[] = …; static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth) { … } static void viafb_update_fix(struct fb_info *info) { … } static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, struct viafb_par *viaparinfo) { … } static int viafb_open(struct fb_info *info, int user) { … } static int viafb_release(struct fb_info *info, int user) { … } static inline int get_var_refresh(struct fb_var_screeninfo *var) { … } static int viafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { … } static int viafb_set_par(struct fb_info *info) { … } /* Set one color register */ static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { … } static int viafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { … } static int viafb_blank(int blank_mode, struct fb_info *info) { … } static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) { … } static void viafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { … } static void viafb_copyarea(struct fb_info *info, const struct fb_copyarea *area) { … } static void viafb_imageblit(struct fb_info *info, const struct fb_image *image) { … } static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) { … } static int viafb_sync(struct fb_info *info) { … } static int get_primary_device(void) { … } static void retrieve_device_setting(struct viafb_ioctl_setting *setting_info) { … } static int __init parse_active_dev(void) { … } static int parse_port(char *opt_str, int *output_interface) { … } static void parse_lcd_port(void) { … } static void parse_dvi_port(void) { … } #ifdef CONFIG_FB_VIA_DIRECT_PROCFS /* * The proc filesystem read/write function, a simple proc implement to * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], * CR9B, SR65, CR97, CR99 */ static int viafb_dvp0_proc_show(struct seq_file *m, void *v) { … } static int viafb_dvp0_proc_open(struct inode *inode, struct file *file) { … } static ssize_t viafb_dvp0_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { … } static const struct proc_ops viafb_dvp0_proc_ops = …; static int viafb_dvp1_proc_show(struct seq_file *m, void *v) { … } static int viafb_dvp1_proc_open(struct inode *inode, struct file *file) { … } static ssize_t viafb_dvp1_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { … } static const struct proc_ops viafb_dvp1_proc_ops = …; static int viafb_dfph_proc_show(struct seq_file *m, void *v) { … } static int viafb_dfph_proc_open(struct inode *inode, struct file *file) { … } static ssize_t viafb_dfph_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { … } static const struct proc_ops viafb_dfph_proc_ops = …; static int viafb_dfpl_proc_show(struct seq_file *m, void *v) { … } static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) { … } static ssize_t viafb_dfpl_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { … } static const struct proc_ops viafb_dfpl_proc_ops = …; static int viafb_vt1636_proc_show(struct seq_file *m, void *v) { … } static int viafb_vt1636_proc_open(struct inode *inode, struct file *file) { … } static ssize_t viafb_vt1636_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { … } static const struct proc_ops viafb_vt1636_proc_ops = …; #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v) { … } static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev) { … } static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v) { … } static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file) { … } static ssize_t viafb_iga1_odev_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { … } static const struct proc_ops viafb_iga1_odev_proc_ops = …; static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) { … } static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file) { … } static ssize_t viafb_iga2_odev_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { … } static const struct proc_ops viafb_iga2_odev_proc_ops = …; #define IS_VT1636 … static void viafb_init_proc(struct viafb_shared *shared) { … } static void viafb_remove_proc(struct viafb_shared *shared) { … } #undef IS_VT1636 static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres) { … } #ifdef CONFIG_PM static int viafb_suspend(void *unused) { … } static int viafb_resume(void *unused) { … } static struct viafb_pm_hooks viafb_fb_pm_hooks = …; #endif static void i2c_bus_probe(struct viafb_shared *shared) { … } static void i2c_bus_free(struct viafb_shared *shared) { … } int via_fb_pci_probe(struct viafb_dev *vdev) { … } void via_fb_pci_remove(struct pci_dev *pdev) { … } #ifndef MODULE static int __init viafb_setup(void) { … } #endif /* * These are called out of via-core for now. */ int __init viafb_init(void) { … } void __exit viafb_exit(void) { … } static struct fb_ops viafb_ops = …; #ifdef MODULE module_param(viafb_mode, charp, S_IRUSR); MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); module_param(viafb_mode1, charp, S_IRUSR); MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); module_param(viafb_bpp, int, S_IRUSR); MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); module_param(viafb_bpp1, int, S_IRUSR); MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); module_param(viafb_refresh, int, S_IRUSR); MODULE_PARM_DESC(viafb_refresh, "Set CRT viafb_refresh rate (default = 60)"); module_param(viafb_refresh1, int, S_IRUSR); MODULE_PARM_DESC(viafb_refresh1, "Set CRT refresh rate (default = 60)"); module_param(viafb_lcd_panel_id, int, S_IRUSR); MODULE_PARM_DESC(viafb_lcd_panel_id, "Set Flat Panel type(Default=1024x768)"); module_param(viafb_lcd_dsp_method, int, S_IRUSR); MODULE_PARM_DESC(viafb_lcd_dsp_method, "Set Flat Panel display scaling method.(Default=Expansion)"); module_param(viafb_SAMM_ON, int, S_IRUSR); MODULE_PARM_DESC(viafb_SAMM_ON, "Turn on/off flag of SAMM(Default=OFF)"); module_param(viafb_accel, int, S_IRUSR); MODULE_PARM_DESC(viafb_accel, "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)"); module_param(viafb_active_dev, charp, S_IRUSR); MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); module_param(viafb_display_hardware_layout, int, S_IRUSR); MODULE_PARM_DESC(viafb_display_hardware_layout, "Display Hardware Layout (LCD Only, DVI Only...,etc)"); module_param(viafb_second_size, int, S_IRUSR); MODULE_PARM_DESC(viafb_second_size, "Set secondary device memory size"); module_param(viafb_dual_fb, int, S_IRUSR); MODULE_PARM_DESC(viafb_dual_fb, "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); module_param(viafb_platform_epia_dvi, int, S_IRUSR); MODULE_PARM_DESC(viafb_platform_epia_dvi, "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)"); module_param(viafb_device_lcd_dualedge, int, S_IRUSR); MODULE_PARM_DESC(viafb_device_lcd_dualedge, "Turn on/off flag of dual edge panel.(Default = OFF)"); module_param(viafb_bus_width, int, S_IRUSR); MODULE_PARM_DESC(viafb_bus_width, "Set bus width of panel.(Default = 12)"); module_param(viafb_lcd_mode, int, S_IRUSR); MODULE_PARM_DESC(viafb_lcd_mode, "Set Flat Panel mode(Default=OPENLDI)"); module_param(viafb_lcd_port, charp, S_IRUSR); MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); module_param(viafb_dvi_port, charp, S_IRUSR); MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); MODULE_DESCRIPTION("VIA UniChrome (Pro) and Chrome9 display driver"); MODULE_LICENSE("GPL"); #endif
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