diff options
Diffstat (limited to 'drivers/video/sun3fb.c')
| -rw-r--r-- | drivers/video/sun3fb.c | 702 |
1 files changed, 0 insertions, 702 deletions
diff --git a/drivers/video/sun3fb.c b/drivers/video/sun3fb.c deleted file mode 100644 index f80356dfa8e8..000000000000 --- a/drivers/video/sun3fb.c +++ /dev/null @@ -1,702 +0,0 @@ -/* - * linux/drivers/video/sun3fb.c -- Frame buffer driver for Sun3 - * - * (C) 1998 Thomas Bogendoerfer - * - * This driver is bases on sbusfb.c, which is - * - * Copyright (C) 1998 Jakub Jelinek - * - * This driver is partly based on the Open Firmware console driver - * - * Copyright (C) 1997 Geert Uytterhoeven - * - * and SPARC console subsystem - * - * Copyright (C) 1995 Peter Zaitcev (zaitcev@yahoo.com) - * Copyright (C) 1995-1997 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1995-1996 Miguel de Icaza (miguel@nuclecu.unam.mx) - * Copyright (C) 1996 Dave Redman (djhr@tadpole.co.uk) - * Copyright (C) 1996-1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be) - * - * 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/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/fb.h> -#include <linux/selection.h> -#include <linux/init.h> -#include <linux/console.h> -#include <linux/kd.h> -#include <linux/vt_kern.h> - -#include <asm/uaccess.h> -#include <asm/pgtable.h> /* io_remap_page_range() */ - -#ifdef CONFIG_SUN3 -#include <asm/oplib.h> -#include <asm/machines.h> -#include <asm/idprom.h> - -#define CGFOUR_OBMEM_ADDR 0x1f300000 -#define BWTWO_OBMEM_ADDR 0x1f000000 -#define BWTWO_OBMEM50_ADDR 0x00100000 - -#endif -#ifdef CONFIG_SUN3X -#include <asm/sun3x.h> -#endif -#include <video/sbusfb.h> - -#define DEFAULT_CURSOR_BLINK_RATE (2*HZ/5) - -#define CURSOR_SHAPE 1 -#define CURSOR_BLINK 2 - -#define mymemset(x,y) memset(x,0,y) - - /* - * Interface used by the world - */ - -int sun3fb_init(void); -void sun3fb_setup(char *options); - -static char fontname[40] __initdata = { 0 }; -static int curblink __initdata = 1; - -static int sun3fb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info); -static int sun3fb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int sun3fb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int sun3fb_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -static int sun3fb_set_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -static int sun3fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, - u_int transp, struct fb_info *info); -static int sun3fb_blank(int blank, struct fb_info *info); -static void sun3fb_cursor(struct display *p, int mode, int x, int y); -static void sun3fb_clear_margin(struct display *p, int s); - - /* - * Interface to the low level console driver - */ - -static int sun3fbcon_switch(int con, struct fb_info *info); -static int sun3fbcon_updatevar(int con, struct fb_info *info); - - /* - * Internal routines - */ - -static int sun3fb_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue, - u_int *transp, struct fb_info *info); - -static struct fb_ops sun3fb_ops = { - .owner = THIS_MODULE, - .fb_get_fix = sun3fb_get_fix, - .fb_get_var = sun3fb_get_var, - .fb_set_var = sun3fb_set_var, - .fb_get_cmap = sun3fb_get_cmap, - .fb_set_cmap = sun3fb_set_cmap, - .fb_setcolreg = sun3fb_setcolreg, - .fb_blank = sun3fb_blank, -}; - -static void sun3fb_clear_margin(struct display *p, int s) -{ - struct fb_info_sbusfb *fb = sbusfbinfod(p); - - return; - - if (fb->switch_from_graph) - (*fb->switch_from_graph)(fb); - if (fb->fill) { - unsigned short rects [16]; - - rects [0] = 0; - rects [1] = 0; - rects [2] = fb->var.xres_virtual; - rects [3] = fb->y_margin; - rects [4] = 0; - rects [5] = fb->y_margin; - rects [6] = fb->x_margin; - rects [7] = fb->var.yres_virtual; - rects [8] = fb->var.xres_virtual - fb->x_margin; - rects [9] = fb->y_margin; - rects [10] = fb->var.xres_virtual; - rects [11] = fb->var.yres_virtual; - rects [12] = fb->x_margin; - rects [13] = fb->var.yres_virtual - fb->y_margin; - rects [14] = fb->var.xres_virtual - fb->x_margin; - rects [15] = fb->var.yres_virtual; - (*fb->fill)(fb, p, s, 4, rects); - } else { - unsigned char *fb_base = fb->info.screen_base, *q; - int skip_bytes = fb->y_margin * fb->var.xres_virtual; - int scr_size = fb->var.xres_virtual * fb->var.yres_virtual; - int h, he, incr, size; - - he = fb->var.yres; - if (fb->var.bits_per_pixel == 1) { - fb_base -= (skip_bytes + fb->x_margin) / 8; - skip_bytes /= 8; - scr_size /= 8; - mymemset (fb_base, skip_bytes - fb->x_margin / 8); - mymemset (fb_base + scr_size - skip_bytes + fb->x_margin / 8, skip_bytes - fb->x_margin / 8); - incr = fb->var.xres_virtual / 8; - size = fb->x_margin / 8 * 2; - for (q = fb_base + skip_bytes - fb->x_margin / 8, h = 0; - h <= he; q += incr, h++) - mymemset (q, size); - } else { - fb_base -= (skip_bytes + fb->x_margin); - memset (fb_base, attr_bgcol(p,s), skip_bytes - fb->x_margin); - memset (fb_base + scr_size - skip_bytes + fb->x_margin, attr_bgcol(p,s), skip_bytes - fb->x_margin); - incr = fb->var.xres_virtual; - size = fb->x_margin * 2; - for (q = fb_base + skip_bytes - fb->x_margin, h = 0; - h <= he; q += incr, h++) - memset (q, attr_bgcol(p,s), size); - } - } -} - -static void sun3fb_disp_setup(struct display *p) -{ - struct fb_info_sbusfb *fb = sbusfbinfod(p); - - if (fb->setup) - fb->setup(p); - sun3fb_clear_margin(p, 0); -} - - /* - * Get the Fixed Part of the Display - */ - -static int sun3fb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info) -{ - struct fb_info_sbusfb *fb = sbusfbinfo(info); - - memcpy(fix, &fb->fix, sizeof(struct fb_fix_screeninfo)); - return 0; -} - - /* - * Get the User Defined Part of the Display - */ - -static int sun3fb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - struct fb_info_sbusfb *fb = sbusfbinfo(info); - - memcpy(var, &fb->var, sizeof(struct fb_var_screeninfo)); - return 0; -} - - /* - * Set the User Defined Part of the Display - */ - -static int sun3fb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - struct fb_info_sbusfb *fb = sbusfbinfo(info); - - if (var->xres > fb->var.xres || var->yres > fb->var.yres || - var->xres_virtual > fb->var.xres_virtual || - var->yres_virtual > fb->var.yres_virtual || - var->bits_per_pixel != fb->var.bits_per_pixel || - var->nonstd || - (var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) - return -EINVAL; - memcpy(var, &fb->var, sizeof(struct fb_var_screeninfo)); - return 0; -} - - /* - * Hardware cursor - */ - -static unsigned char hw_cursor_cmap[2] = { 0, 0xff }; - -static void -sun3fb_cursor_timer_handler(unsigned long dev_addr) -{ - struct fb_info_sbusfb *fb = (struct fb_info_sbusfb *)dev_addr; - - if (!fb->setcursor) return; - - if (fb->cursor.mode & CURSOR_BLINK) { - fb->cursor.enable ^= 1; - fb->setcursor(fb); - } - - fb->cursor.timer.expires = jiffies + fb->cursor.blink_rate; - add_timer(&fb->cursor.timer); -} - -static void sun3fb_cursor(struct display *p, int mode, int x, int y) -{ - struct fb_info_sbusfb *fb = sbusfbinfod(p); - - switch (mode) { - case CM_ERASE: - fb->cursor.mode &= ~CURSOR_BLINK; - fb->cursor.enable = 0; - (*fb->setcursor)(fb); - break; - - case CM_MOVE: - case CM_DRAW: - if (fb->cursor.mode & CURSOR_SHAPE) { - fb->cursor.size.fbx = fontwidth(p); - fb->cursor.size.fby = fontheight(p); - fb->cursor.chot.fbx = 0; - fb->cursor.chot.fby = 0; - fb->cursor.enable = 1; - memset (fb->cursor.bits, 0, sizeof (fb->cursor.bits)); - fb->cursor.bits[0][fontheight(p) - 2] = (0xffffffff << (32 - fontwidth(p))); - fb->cursor.bits[1][fontheight(p) - 2] = (0xffffffff << (32 - fontwidth(p))); - fb->cursor.bits[0][fontheight(p) - 1] = (0xffffffff << (32 - fontwidth(p))); - fb->cursor.bits[1][fontheight(p) - 1] = (0xffffffff << (32 - fontwidth(p))); - (*fb->setcursormap) (fb, hw_cursor_cmap, hw_cursor_cmap, hw_cursor_cmap); - (*fb->setcurshape) (fb); - } - fb->cursor.mode = CURSOR_BLINK; - if (fontwidthlog(p)) - fb->cursor.cpos.fbx = (x << fontwidthlog(p)) + fb->x_margin; - else - fb->cursor.cpos.fbx = (x * fontwidth(p)) + fb->x_margin; - if (fontheightlog(p)) - fb->cursor.cpos.fby = (y << fontheightlog(p)) + fb->y_margin; - else - fb->cursor.cpos.fby = (y * fontheight(p)) + fb->y_margin; - (*fb->setcursor)(fb); - break; - } -} - - /* - * Get the Colormap - */ - -static int sun3fb_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ - if (con == info->currcon) /* current console? */ - return fb_get_cmap(cmap, kspc, sun3fb_getcolreg, info); - else if (fb_display[con].cmap.len) /* non default colormap? */ - fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2); - else - fb_copy_cmap(fb_default_cmap(1<<fb_display[con].var.bits_per_pixel), cmap, kspc ? 0 : 2); - return 0; -} - - /* - * Set the Colormap - */ - -static int sun3fb_set_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ - int err; - - if (!fb_display[con].cmap.len) { /* no colormap allocated? */ - if ((err = fb_alloc_cmap(&fb_display[con].cmap, 1<<fb_display[con].var.bits_per_pixel, 0))) - return err; - } - if (con == info->currcon) { /* current console? */ - err = fb_set_cmap(cmap, kspc, info); - if (!err) { - struct fb_info_sbusfb *fb = sbusfbinfo(info); - - if (fb->loadcmap) - (*fb->loadcmap)(fb, &fb_display[con], cmap->start, cmap->len); - } - return err; - } else - fb_copy_cmap(cmap, &fb_display[con].cmap, kspc ? 0 : 1); - return 0; -} - - /* - * Setup: parse used options - */ - -void __init sun3fb_setup(char *options) -{ - char *p; - - for (p = options;;) { - if (!strncmp(p, "font=", 5)) { - int i; - - for (i = 0; i < sizeof(fontname) - 1; i++) - if (p[i+5] == ' ' || !p[i+5]) - break; - memcpy(fontname, p+5, i); - fontname[i] = 0; - } else if (!strncmp(p, "noblink", 7)) - curblink = 0; - while (*p && *p != ' ' && *p != ',') p++; - if (*p != ',') break; - p++; - } - - return; -} - -static int sun3fbcon_switch(int con, struct fb_info *info) -{ - int x_margin, y_margin; - struct fb_info_sbusfb *fb = sbusfbinfo(info); - int lastconsole; - - /* Do we have to save the colormap? */ - if (fb_display[info->currcon].cmap.len) - fb_get_cmap(&fb_display[info->currcon].cmap, 1, sun3fb_getcolreg, info); - - if (info->display_fg) { - lastconsole = info->display_fg->vc_num; - if (lastconsole != con && - (fontwidth(&fb_display[lastconsole]) != fontwidth(&fb_display[con]) || - fontheight(&fb_display[lastconsole]) != fontheight(&fb_display[con]))) - fb->cursor.mode |= CURSOR_SHAPE; - } - x_margin = (fb_display[con].var.xres_virtual - fb_display[con].var.xres) / 2; - y_margin = (fb_display[con].var.yres_virtual - fb_display[con].var.yres) / 2; - if (fb->margins) - fb->margins(fb, &fb_display[con], x_margin, y_margin); - if (fb->graphmode || fb->x_margin != x_margin || fb->y_margin != y_margin) { - fb->x_margin = x_margin; fb->y_margin = y_margin; - sun3fb_clear_margin(&fb_display[con], 0); - } - info->currcon = con; - /* Install new colormap */ - do_install_cmap(con, info); - return 0; -} - - /* - * Update the `var' structure (called by fbcon.c) - */ - -static int sun3fbcon_updatevar(int con, struct fb_info *info) -{ - /* Nothing */ - return 0; -} - - /* - * Blank the display. - */ - -static int sun3fb_blank(int blank, struct fb_info *info) -{ - struct fb_info_sbusfb *fb = sbusfbinfo(info); - - if (blank && fb->blank) - return fb->blank(fb); - else if (!blank && fb->unblank) - return fb->unblank(fb); - return 0; -} - - /* - * Read a single color register and split it into - * colors/transparent. Return != 0 for invalid regno. - */ - -static int sun3fb_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue, - u_int *transp, struct fb_info *info) -{ - struct fb_info_sbusfb *fb = sbusfbinfo(info); - - if (!fb->color_map || regno > 255) - return 1; - *red = (fb->color_map CM(regno, 0)<<8) | fb->color_map CM(regno, 0); - *green = (fb->color_map CM(regno, 1)<<8) | fb->color_map CM(regno, 1); - *blue = (fb->color_map CM(regno, 2)<<8) | fb->color_map CM(regno, 2); - *transp = 0; - return 0; -} - - - /* - * Set a single color register. The values supplied are already - * rounded down to the hardware's capabilities (according to the - * entries in the var structure). Return != 0 for invalid regno. - */ - -static int sun3fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, - u_int transp, struct fb_info *info) -{ - struct fb_info_sbusfb *fb = sbusfbinfo(info); - - if (!fb->color_map || regno > 255) - return 1; - red >>= 8; - green >>= 8; - blue >>= 8; - fb->color_map CM(regno, 0) = red; - fb->color_map CM(regno, 1) = green; - fb->color_map CM(regno, 2) = blue; - return 0; -} - -static int sun3fb_set_font(struct display *p, int width, int height) -{ - int w = p->var.xres_virtual, h = p->var.yres_virtual; - int depth = p->var.bits_per_pixel; - struct fb_info_sbusfb *fb = sbusfbinfod(p); - int x_margin, y_margin; - - if (depth > 8) depth = 8; - x_margin = (w % width) / 2; - y_margin = (h % height) / 2; - - p->var.xres = w - 2*x_margin; - p->var.yres = h - 2*y_margin; - - fb->cursor.mode |= CURSOR_SHAPE; - - if (fb->margins) - fb->margins(fb, p, x_margin, y_margin); - if (fb->x_margin != x_margin || fb->y_margin != y_margin) { - fb->x_margin = x_margin; fb->y_margin = y_margin; - sun3fb_clear_margin(p, 0); - } - - return 1; -} - -void sun3fb_palette(int enter) -{ - int i; - struct display *p; - - for (i = 0; i < MAX_NR_CONSOLES; i++) { - p = &fb_display[i]; - if (p->dispsw && p->dispsw->setup == sun3fb_disp_setup && - p->fb_info->display_fg && - p->fb_info->display_fg->vc_num == i) { - struct fb_info_sbusfb *fb = sbusfbinfod(p); - - if (fb->restore_palette) { - if (enter) - fb->restore_palette(fb); - else if (vc_cons[i].d->vc_mode != KD_GRAPHICS) - vc_cons[i].d->vc_sw->con_set_palette(vc_cons[i].d, color_table); - } - } - } -} - - /* - * Initialisation - */ -static int __init sun3fb_init_fb(int fbtype, unsigned long addr) -{ - static struct sbus_dev sdb; - struct fb_fix_screeninfo *fix; - struct fb_var_screeninfo *var; - struct display *disp; - struct fb_info_sbusfb *fb; - struct fbtype *type; - int linebytes, w, h, depth; - char *p = NULL; - - fb = kmalloc(sizeof(struct fb_info_sbusfb), GFP_ATOMIC); - if (!fb) - return -ENOMEM; - - memset(fb, 0, sizeof(struct fb_info_sbusfb)); - fix = &fb->fix; - var = &fb->var; - disp = &fb->disp; - type = &fb->type; - - sdb.reg_addrs[0].phys_addr = addr; - fb->sbdp = &sdb; - - type->fb_type = fbtype; - - type->fb_height = h = 900; - type->fb_width = w = 1152; -sizechange: - type->fb_depth = depth = (fbtype == FBTYPE_SUN2BW) ? 1 : 8; - linebytes = w * depth / 8; - type->fb_size = PAGE_ALIGN((linebytes) * h); -/* - fb->x_margin = (w & 7) / 2; - fb->y_margin = (h & 15) / 2; -*/ - fb->x_margin = fb->y_margin = 0; - - var->xres_virtual = w; - var->yres_virtual = h; - var->xres = w - 2*fb->x_margin; - var->yres = h - 2*fb->y_margin; - - var->bits_per_pixel = depth; - var->height = var->width = -1; - var->pixclock = 10000; - var->vmode = FB_VMODE_NONINTERLACED; - var->red.length = var->green.length = var->blue.length = 8; - - fix->line_length = linebytes; - fix->smem_len = type->fb_size; - fix->type = FB_TYPE_PACKED_PIXELS; - fix->visual = FB_VISUAL_PSEUDOCOLOR; - - fb->info.fbops = &sun3fb_ops; - fb->info.disp = disp; - fb->info.currcon = -1; - strcpy(fb->info.fontname, fontname); - fb->info.changevar = NULL; - fb->info.switch_con = &sun3fbcon_switch; - fb->info.updatevar = &sun3fbcon_updatevar; - fb->info.flags = FBINFO_FLAG_DEFAULT; - - fb->cursor.hwsize.fbx = 32; - fb->cursor.hwsize.fby = 32; - - if (depth > 1 && !fb->color_map) { - if((fb->color_map = kmalloc(256 * 3, GFP_ATOMIC))==NULL) - return -ENOMEM; - } - - switch(fbtype) { -#ifdef CONFIG_FB_CGSIX - case FBTYPE_SUNFAST_COLOR: - p = cgsixfb_init(fb); break; -#endif -#ifdef CONFIG_FB_BWTWO - case FBTYPE_SUN2BW: - p = bwtwofb_init(fb); break; -#endif -#ifdef CONFIG_FB_CGTHREE - case FBTYPE_SUN4COLOR: - case FBTYPE_SUN3COLOR: - type->fb_size = 0x100000; - p = cgthreefb_init(fb); break; -#endif - } - fix->smem_start = (unsigned long)fb->info.screen_base; // FIXME - - if (!p) { - kfree(fb); - return -ENODEV; - } - - if (p == SBUSFBINIT_SIZECHANGE) - goto sizechange; - - disp->dispsw = &fb->dispsw; - if (fb->setcursor) { - fb->dispsw.cursor = sun3fb_cursor; - if (curblink) { - fb->cursor.blink_rate = DEFAULT_CURSOR_BLINK_RATE; - init_timer(&fb->cursor.timer); - fb->cursor.timer.expires = jiffies + fb->cursor.blink_rate; - fb->cursor.timer.data = (unsigned long)fb; - fb->cursor.timer.function = sun3fb_cursor_timer_handler; - add_timer(&fb->cursor.timer); - } - } - fb->cursor.mode = CURSOR_SHAPE; - fb->dispsw.set_font = sun3fb_set_font; - fb->setup = fb->dispsw.setup; - fb->dispsw.setup = sun3fb_disp_setup; - fb->dispsw.clear_margins = NULL; - - disp->var = *var; - disp->visual = fix->visual; - disp->type = fix->type; - disp->type_aux = fix->type_aux; - disp->line_length = fix->line_length; - - if (fb->blank) - disp->can_soft_blank = 1; - - sun3fb_set_var(var, -1, &fb->info); - - if (register_framebuffer(&fb->info) < 0) { - kfree(fb); - return -EINVAL; - } - printk("fb%d: %s\n", fb->info.node, p); - - return 0; -} - - -int __init sun3fb_init(void) -{ - extern int con_is_present(void); - unsigned long addr; - char p4id; - - if (!con_is_present()) return -ENODEV; -#ifdef CONFIG_SUN3 - switch(*(romvec->pv_fbtype)) - { - case FBTYPE_SUN2BW: - addr = 0xfe20000; - return sun3fb_init_fb(FBTYPE_SUN2BW, addr); - case FBTYPE_SUN3COLOR: - case FBTYPE_SUN4COLOR: - if(idprom->id_machtype != (SM_SUN3|SM_3_60)) { - printk("sun3fb: cgthree/four only supported on 3/60\n"); - return -ENODEV; - } - - addr = CGFOUR_OBMEM_ADDR; - return sun3fb_init_fb(*(romvec->pv_fbtype), addr); - default: - printk("sun3fb: unsupported framebuffer\n"); - return -ENODEV; - } -#else - addr = SUN3X_VIDEO_BASE; - p4id = *(char *)SUN3X_VIDEO_P4ID; - - p4id = (p4id == 0x45) ? p4id : (p4id & 0xf0); - switch (p4id) { - case 0x00: - return sun3fb_init_fb(FBTYPE_SUN2BW, addr); -#if 0 /* not yet */ - case 0x40: - return sun3fb_init_fb(FBTYPE_SUN4COLOR, addr); - break; - case 0x45: - return sun3fb_init_fb(FBTYPE_SUN8COLOR, addr); - break; -#endif - case 0x60: - return sun3fb_init_fb(FBTYPE_SUNFAST_COLOR, addr); - } -#endif - - return -ENODEV; -} - -MODULE_LICENSE("GPL"); |
