diff options
Diffstat (limited to 'drivers/video/tridentfb.c')
| -rw-r--r-- | drivers/video/tridentfb.c | 1445 |
1 files changed, 0 insertions, 1445 deletions
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c deleted file mode 100644 index 0a4e07d43d2..00000000000 --- a/drivers/video/tridentfb.c +++ /dev/null @@ -1,1445 +0,0 @@ -/* - * Frame buffer driver for Trident Blade and Image series - * - * Copyright 2001, 2002 - Jani Monoses <jani@iv.ro> - * - * - * CREDITS:(in order of appearance) - * skeletonfb.c by Geert Uytterhoeven and other fb code in drivers/video - * Special thanks ;) to Mattia Crivellini <tia@mclink.it> - * much inspired by the XFree86 4.x Trident driver sources - * by Alan Hourihane the FreeVGA project - * Francesco Salvestrini <salvestrini@users.sf.net> XP support, - * code, suggestions - * TODO: - * timing value tweaking so it looks good on every monitor in every mode - * TGUI acceleration - */ - -#include <linux/module.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/pci.h> - -#include <linux/delay.h> -#include <video/trident.h> - -#define VERSION "0.7.8-NEWAPI" - -struct tridentfb_par { - int vclk; /* in MHz */ - void __iomem *io_virt; /* iospace virtual memory address */ -}; - -static unsigned char eng_oper; /* engine operation... */ -static struct fb_ops tridentfb_ops; - -static struct tridentfb_par default_par; - -/* FIXME:kmalloc these 3 instead */ -static struct fb_info fb_info; -static u32 pseudo_pal[16]; - -static struct fb_var_screeninfo default_var; - -static struct fb_fix_screeninfo tridentfb_fix = { - .id = "Trident", - .type = FB_TYPE_PACKED_PIXELS, - .ypanstep = 1, - .visual = FB_VISUAL_PSEUDOCOLOR, - .accel = FB_ACCEL_NONE, -}; - -static int chip_id; - -static int defaultaccel; -static int displaytype; - -/* defaults which are normally overriden by user values */ - -/* video mode */ -static char *mode = "640x480"; -static int bpp = 8; - -static int noaccel; - -static int center; -static int stretch; - -static int fp; -static int crt; - -static int memsize; -static int memdiff; -static int nativex; - -module_param(mode, charp, 0); -module_param(bpp, int, 0); -module_param(center, int, 0); -module_param(stretch, int, 0); -module_param(noaccel, int, 0); -module_param(memsize, int, 0); -module_param(memdiff, int, 0); -module_param(nativex, int, 0); -module_param(fp, int, 0); -module_param(crt, int, 0); - -static int chip3D; -static int chipcyber; - -static int is3Dchip(int id) -{ - return ((id == BLADE3D) || (id == CYBERBLADEE4) || - (id == CYBERBLADEi7) || (id == CYBERBLADEi7D) || - (id == CYBER9397) || (id == CYBER9397DVD) || - (id == CYBER9520) || (id == CYBER9525DVD) || - (id == IMAGE975) || (id == IMAGE985) || - (id == CYBERBLADEi1) || (id == CYBERBLADEi1D) || - (id == CYBERBLADEAi1) || (id == CYBERBLADEAi1D) || - (id == CYBERBLADEXPm8) || (id == CYBERBLADEXPm16) || - (id == CYBERBLADEXPAi1)); -} - -static int iscyber(int id) -{ - switch (id) { - case CYBER9388: - case CYBER9382: - case CYBER9385: - case CYBER9397: - case CYBER9397DVD: - case CYBER9520: - case CYBER9525DVD: - case CYBERBLADEE4: - case CYBERBLADEi7D: - case CYBERBLADEi1: - case CYBERBLADEi1D: - case CYBERBLADEAi1: - case CYBERBLADEAi1D: - case CYBERBLADEXPAi1: - return 1; - - case CYBER9320: - case TGUI9660: - case IMAGE975: - case IMAGE985: - case BLADE3D: - case CYBERBLADEi7: /* VIA MPV4 integrated version */ - - default: - /* case CYBERBLDAEXPm8: Strange */ - /* case CYBERBLDAEXPm16: Strange */ - return 0; - } -} - -#define CRT 0x3D0 /* CRTC registers offset for color display */ - -#ifndef TRIDENT_MMIO - #define TRIDENT_MMIO 1 -#endif - -#if TRIDENT_MMIO - #define t_outb(val, reg) writeb(val,((struct tridentfb_par *)(fb_info.par))->io_virt + reg) - #define t_inb(reg) readb(((struct tridentfb_par*)(fb_info.par))->io_virt + reg) -#else - #define t_outb(val, reg) outb(val, reg) - #define t_inb(reg) inb(reg) -#endif - - -static struct accel_switch { - void (*init_accel) (int, int); - void (*wait_engine) (void); - void (*fill_rect) (u32, u32, u32, u32, u32, u32); - void (*copy_rect) (u32, u32, u32, u32, u32, u32); -} *acc; - -#define writemmr(r, v) writel(v, ((struct tridentfb_par *)fb_info.par)->io_virt + r) -#define readmmr(r) readl(((struct tridentfb_par *)fb_info.par)->io_virt + r) - -/* - * Blade specific acceleration. - */ - -#define point(x, y) ((y) << 16 | (x)) -#define STA 0x2120 -#define CMD 0x2144 -#define ROP 0x2148 -#define CLR 0x2160 -#define SR1 0x2100 -#define SR2 0x2104 -#define DR1 0x2108 -#define DR2 0x210C - -#define ROP_S 0xCC - -static void blade_init_accel(int pitch, int bpp) -{ - int v1 = (pitch >> 3) << 20; - int tmp = 0, v2; - switch (bpp) { - case 8: - tmp = 0; - break; - case 15: - tmp = 5; - break; - case 16: - tmp = 1; - break; - case 24: - case 32: - tmp = 2; - break; - } - v2 = v1 | (tmp << 29); - writemmr(0x21C0, v2); - writemmr(0x21C4, v2); - writemmr(0x21B8, v2); - writemmr(0x21BC, v2); - writemmr(0x21D0, v1); - writemmr(0x21D4, v1); - writemmr(0x21C8, v1); - writemmr(0x21CC, v1); - writemmr(0x216C, 0); -} - -static void blade_wait_engine(void) -{ - while (readmmr(STA) & 0xFA800000) ; -} - -static void blade_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop) -{ - writemmr(CLR, c); - writemmr(ROP, rop ? 0x66 : ROP_S); - writemmr(CMD, 0x20000000 | 1 << 19 | 1 << 4 | 2 << 2); - - writemmr(DR1, point(x, y)); - writemmr(DR2, point(x + w - 1, y + h - 1)); -} - -static void blade_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h) -{ - u32 s1, s2, d1, d2; - int direction = 2; - s1 = point(x1, y1); - s2 = point(x1 + w - 1, y1 + h - 1); - d1 = point(x2, y2); - d2 = point(x2 + w - 1, y2 + h - 1); - - if ((y1 > y2) || ((y1 == y2) && (x1 > x2))) - direction = 0; - - writemmr(ROP, ROP_S); - writemmr(CMD, 0xE0000000 | 1 << 19 | 1 << 4 | 1 << 2 | direction); - - writemmr(SR1, direction ? s2 : s1); - writemmr(SR2, direction ? s1 : s2); - writemmr(DR1, direction ? d2 : d1); - writemmr(DR2, direction ? d1 : d2); -} - -static struct accel_switch accel_blade = { - blade_init_accel, - blade_wait_engine, - blade_fill_rect, - blade_copy_rect, -}; - -/* - * BladeXP specific acceleration functions - */ - -#define ROP_P 0xF0 -#define masked_point(x, y) ((y & 0xffff)<<16|(x & 0xffff)) - -static void xp_init_accel(int pitch, int bpp) -{ - int tmp = 0, v1; - unsigned char x = 0; - - switch (bpp) { - case 8: - x = 0; - break; - case 16: - x = 1; - break; - case 24: - x = 3; - break; - case 32: - x = 2; - break; - } - - switch (pitch << (bpp >> 3)) { - case 8192: - case 512: - x |= 0x00; - break; - case 1024: - x |= 0x04; - break; - case 2048: - x |= 0x08; - break; - case 4096: - x |= 0x0C; - break; - } - - t_outb(x, 0x2125); - - eng_oper = x | 0x40; - - switch (bpp) { - case 8: - tmp = 18; - break; - case 15: - case 16: - tmp = 19; - break; - case 24: - case 32: - tmp = 20; - break; - } - - v1 = pitch << tmp; - - writemmr(0x2154, v1); - writemmr(0x2150, v1); - t_outb(3, 0x2126); -} - -static void xp_wait_engine(void) -{ - int busy; - int count, timeout; - - count = 0; - timeout = 0; - for (;;) { - busy = t_inb(STA) & 0x80; - if (busy != 0x80) - return; - count++; - if (count == 10000000) { - /* Timeout */ - count = 9990000; - timeout++; - if (timeout == 8) { - /* Reset engine */ - t_outb(0x00, 0x2120); - return; - } - } - } -} - -static void xp_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop) -{ - writemmr(0x2127, ROP_P); - writemmr(0x2158, c); - writemmr(0x2128, 0x4000); - writemmr(0x2140, masked_point(h, w)); - writemmr(0x2138, masked_point(y, x)); - t_outb(0x01, 0x2124); - t_outb(eng_oper, 0x2125); -} - -static void xp_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h) -{ - int direction; - u32 x1_tmp, x2_tmp, y1_tmp, y2_tmp; - - direction = 0x0004; - - if ((x1 < x2) && (y1 == y2)) { - direction |= 0x0200; - x1_tmp = x1 + w - 1; - x2_tmp = x2 + w - 1; - } else { - x1_tmp = x1; - x2_tmp = x2; - } - - if (y1 < y2) { - direction |= 0x0100; - y1_tmp = y1 + h - 1; - y2_tmp = y2 + h - 1; - } else { - y1_tmp = y1; - y2_tmp = y2; - } - - writemmr(0x2128, direction); - t_outb(ROP_S, 0x2127); - writemmr(0x213C, masked_point(y1_tmp, x1_tmp)); - writemmr(0x2138, masked_point(y2_tmp, x2_tmp)); - writemmr(0x2140, masked_point(h, w)); - t_outb(0x01, 0x2124); -} - -static struct accel_switch accel_xp = { - xp_init_accel, - xp_wait_engine, - xp_fill_rect, - xp_copy_rect, -}; - -/* - * Image specific acceleration functions - */ -static void image_init_accel(int pitch, int bpp) -{ - int tmp = 0; - switch (bpp) { - case 8: - tmp = 0; - break; - case 15: - tmp = 5; - break; - case 16: - tmp = 1; - break; - case 24: - case 32: - tmp = 2; - break; - } - writemmr(0x2120, 0xF0000000); - writemmr(0x2120, 0x40000000 | tmp); - writemmr(0x2120, 0x80000000); - writemmr(0x2144, 0x00000000); - writemmr(0x2148, 0x00000000); - writemmr(0x2150, 0x00000000); - writemmr(0x2154, 0x00000000); - writemmr(0x2120, 0x60000000 | (pitch << 16) | pitch); - writemmr(0x216C, 0x00000000); - writemmr(0x2170, 0x00000000); - writemmr(0x217C, 0x00000000); - writemmr(0x2120, 0x10000000); - writemmr(0x2130, (2047 << 16) | 2047); -} - -static void image_wait_engine(void) -{ - while (readmmr(0x2164) & 0xF0000000) ; -} - -static void image_fill_rect(u32 x, u32 y, u32 w, u32 h, u32 c, u32 rop) -{ - writemmr(0x2120, 0x80000000); - writemmr(0x2120, 0x90000000 | ROP_S); - - writemmr(0x2144, c); - - writemmr(DR1, point(x, y)); - writemmr(DR2, point(x + w - 1, y + h - 1)); - - writemmr(0x2124, 0x80000000 | 3 << 22 | 1 << 10 | 1 << 9); -} - -static void image_copy_rect(u32 x1, u32 y1, u32 x2, u32 y2, u32 w, u32 h) -{ - u32 s1, s2, d1, d2; - int direction = 2; - s1 = point(x1, y1); - s2 = point(x1 + w - 1, y1 + h - 1); - d1 = point(x2, y2); - d2 = point(x2 + w - 1, y2 + h - 1); - - if ((y1 > y2) || ((y1 == y2) && (x1 > x2))) - direction = 0; - - writemmr(0x2120, 0x80000000); - writemmr(0x2120, 0x90000000 | ROP_S); - - writemmr(SR1, direction ? s2 : s1); - writemmr(SR2, direction ? s1 : s2); - writemmr(DR1, direction ? d2 : d1); - writemmr(DR2, direction ? d1 : d2); - writemmr(0x2124, 0x80000000 | 1 << 22 | 1 << 10 | 1 << 7 | direction); -} - -static struct accel_switch accel_image = { - image_init_accel, - image_wait_engine, - image_fill_rect, - image_copy_rect, -}; - -/* - * Accel functions called by the upper layers - */ -#ifdef CONFIG_FB_TRIDENT_ACCEL -static void tridentfb_fillrect(struct fb_info *info, - const struct fb_fillrect *fr) -{ - int bpp = info->var.bits_per_pixel; - int col = 0; - - switch (bpp) { - default: - case 8: - col |= fr->color; - col |= col << 8; - col |= col << 16; - break; - case 16: - col = ((u32 *)(info->pseudo_palette))[fr->color]; - break; - case 32: - col = ((u32 *)(info->pseudo_palette))[fr->color]; - break; - } - - acc->fill_rect(fr->dx, fr->dy, fr->width, fr->height, col, fr->rop); - acc->wait_engine(); -} -static void tridentfb_copyarea(struct fb_info *info, - const struct fb_copyarea *ca) -{ - acc->copy_rect(ca->sx, ca->sy, ca->dx, ca->dy, ca->width, ca->height); - acc->wait_engine(); -} -#else /* !CONFIG_FB_TRIDENT_ACCEL */ -#define tridentfb_fillrect cfb_fillrect -#define tridentfb_copyarea cfb_copyarea -#endif /* CONFIG_FB_TRIDENT_ACCEL */ - - -/* - * Hardware access functions - */ - -static inline unsigned char read3X4(int reg) -{ - struct tridentfb_par *par = (struct tridentfb_par *)fb_info.par; - writeb(reg, par->io_virt + CRT + 4); - return readb(par->io_virt + CRT + 5); -} - -static inline void write3X4(int reg, unsigned char val) -{ - struct tridentfb_par *par = (struct tridentfb_par *)fb_info.par; - writeb(reg, par->io_virt + CRT + 4); - writeb(val, par->io_virt + CRT + 5); -} - -static inline unsigned char read3C4(int reg) -{ - t_outb(reg, 0x3C4); - return t_inb(0x3C5); -} - -static inline void write3C4(int reg, unsigned char val) -{ - t_outb(reg, 0x3C4); - t_outb(val, 0x3C5); -} - -static inline unsigned char read3CE(int reg) -{ - t_outb(reg, 0x3CE); - return t_inb(0x3CF); -} - -static inline void writeAttr(int reg, unsigned char val) -{ - readb(((struct tridentfb_par *)fb_info.par)->io_virt + CRT + 0x0A); /* flip-flop to index */ - t_outb(reg, 0x3C0); - t_outb(val, 0x3C0); -} - -static inline void write3CE(int reg, unsigned char val) -{ - t_outb(reg, 0x3CE); - t_outb(val, 0x3CF); -} - -static void enable_mmio(void) -{ - /* Goto New Mode */ - outb(0x0B, 0x3C4); - inb(0x3C5); - - /* Unprotect registers */ - outb(NewMode1, 0x3C4); - outb(0x80, 0x3C5); - - /* Enable MMIO */ - outb(PCIReg, 0x3D4); - outb(inb(0x3D5) | 0x01, 0x3D5); -} - -static void disable_mmio(void) -{ - /* Goto New Mode */ - t_outb(0x0B, 0x3C4); - t_inb(0x3C5); - - /* Unprotect registers */ - t_outb(NewMode1, 0x3C4); - t_outb(0x80, 0x3C5); - - /* Disable MMIO */ - t_outb(PCIReg, 0x3D4); - t_outb(t_inb(0x3D5) & ~0x01, 0x3D5); -} - -#define crtc_unlock() write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F) - -/* Return flat panel's maximum x resolution */ -static int __devinit get_nativex(void) -{ - int x, y, tmp; - - if (nativex) - return nativex; - - tmp = (read3CE(VertStretch) >> 4) & 3; - - switch (tmp) { - case 0: - x = 1280; y = 1024; - break; - case 2: - x = 1024; y = 768; - break; - case 3: - x = 800; y = 600; - break; - case 4: - x = 1400; y = 1050; - break; - case 1: - default: - x = 640; y = 480; - break; - } - - output("%dx%d flat panel found\n", x, y); - return x; -} - -/* Set pitch */ -static void set_lwidth(int width) -{ - write3X4(Offset, width & 0xFF); - write3X4(AddColReg, - (read3X4(AddColReg) & 0xCF) | ((width & 0x300) >> 4)); -} - -/* For resolutions smaller than FP resolution stretch */ -static void screen_stretch(void) -{ - if (chip_id != CYBERBLADEXPAi1) - write3CE(BiosReg, 0); - else - write3CE(BiosReg, 8); - write3CE(VertStretch, (read3CE(VertStretch) & 0x7C) | 1); - write3CE(HorStretch, (read3CE(HorStretch) & 0x7C) | 1); -} - -/* For resolutions smaller than FP resolution center */ -static void screen_center(void) -{ - write3CE(VertStretch, (read3CE(VertStretch) & 0x7C) | 0x80); - write3CE(HorStretch, (read3CE(HorStretch) & 0x7C) | 0x80); -} - -/* Address of first shown pixel in display memory */ -static void set_screen_start(int base) -{ - write3X4(StartAddrLow, base & 0xFF); - write3X4(StartAddrHigh, (base & 0xFF00) >> 8); - write3X4(CRTCModuleTest, - (read3X4(CRTCModuleTest) & 0xDF) | ((base & 0x10000) >> 11)); - write3X4(CRTHiOrd, - (read3X4(CRTHiOrd) & 0xF8) | ((base & 0xE0000) >> 17)); -} - -/* Use 20.12 fixed-point for NTSC value and frequency calculation */ -#define calc_freq(n, m, k) ( ((unsigned long)0xE517 * (n + 8) / ((m + 2) * (1 << k))) >> 12 ) - -/* Set dotclock frequency */ -static void set_vclk(int freq) -{ - int m, n, k; - int f, fi, d, di; - unsigned char lo = 0, hi = 0; - - d = 20; - for (k = 2; k >= 0; k--) - for (m = 0; m < 63; m++) - for (n = 0; n < 128; n++) { - fi = calc_freq(n, m, k); - if ((di = abs(fi - freq)) < d) { - d = di; - f = fi; - lo = n; - hi = (k << 6) | m; - } - } - if (chip3D) { - write3C4(ClockHigh, hi); - write3C4(ClockLow, lo); - } else { - outb(lo, 0x43C8); - outb(hi, 0x43C9); - } - debug("VCLK = %X %X\n", hi, lo); -} - -/* Set number of lines for flat panels*/ -static void set_number_of_lines(int lines) -{ - int tmp = read3CE(CyberEnhance) & 0x8F; - if (lines > 1024) - tmp |= 0x50; - else if (lines > 768) - tmp |= 0x30; - else if (lines > 600) - tmp |= 0x20; - else if (lines > 480) - tmp |= 0x10; - write3CE(CyberEnhance, tmp); -} - -/* - * If we see that FP is active we assume we have one. - * Otherwise we have a CRT display.User can override. - */ -static unsigned int __devinit get_displaytype(void) -{ - if (fp) - return DISPLAY_FP; - if (crt || !chipcyber) - return DISPLAY_CRT; - return (read3CE(FPConfig) & 0x10) ? DISPLAY_FP : DISPLAY_CRT; -} - -/* Try detecting the video memory size */ -static unsigned int __devinit get_memsize(void) -{ - unsigned char tmp, tmp2; - unsigned int k; - - /* If memory size provided by user */ - if (memsize) - k = memsize * Kb; - else - switch (chip_id) { - case CYBER9525DVD: - k = 2560 * Kb; - break; - default: - tmp = read3X4(SPR) & 0x0F; - switch (tmp) { - - case 0x01: - k = 512 * Kb; - break; - case 0x02: - k = 6 * Mb; /* XP */ - break; - case 0x03: - k = 1 * Mb; - break; - case 0x04: - k = 8 * Mb; - break; - case 0x06: - k = 10 * Mb; /* XP */ - break; - case 0x07: - k = 2 * Mb; - break; - case 0x08: - k = 12 * Mb; /* XP */ - break; - case 0x0A: - k = 14 * Mb; /* XP */ - break; - case 0x0C: - k = 16 * Mb; /* XP */ - break; - case 0x0E: /* XP */ - - tmp2 = read3C4(0xC1); - switch (tmp2) { - case 0x00: - k = 20 * Mb; - break; - case 0x01: - k = 24 * Mb; - break; - case 0x10: - k = 28 * Mb; - break; - case 0x11: - k = 32 * Mb; - break; - default: - k = 1 * Mb; - break; - } - break; - - case 0x0F: - k = 4 * Mb; - break; - default: - k = 1 * Mb; - break; - } - } - - k -= memdiff * Kb; - output("framebuffer size = %d Kb\n", k / Kb); - return k; -} - -/* See if we can handle the video mode described in var */ -static int tridentfb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - int bpp = var->bits_per_pixel; - debug("enter\n"); - - /* check color depth */ - if (bpp == 24) - bpp = var->bits_per_pixel = 32; - /* check whether resolution fits on panel and in memory */ - if (flatpanel && nativex && var->xres > nativex) - return -EINVAL; - if (var->xres * var->yres_virtual * bpp / 8 > info->fix.smem_len) - return -EINVAL; - - switch (bpp) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 6; - var->green.length = 6; - var->blue.length = 6; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - break; - default: - return -EINVAL; - } - debug("exit\n"); - - return 0; - -} - -/* Pan the display */ -static int tridentfb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - unsigned int offset; - - debug("enter\n"); - offset = (var->xoffset + (var->yoffset * var->xres)) - * var->bits_per_pixel / 32; - info->var.xoffset = var->xoffset; - info->var.yoffset = var->yoffset; - set_screen_start(offset); - debug("exit\n"); - return 0; -} - -#define shadowmode_on() write3CE(CyberControl, read3CE(CyberControl) | 0x81) -#define shadowmode_off() write3CE(CyberControl, read3CE(CyberControl) & 0x7E) - -/* Set the hardware to the requested video mode */ -static int tridentfb_set_par(struct fb_info *info) -{ - struct tridentfb_par *par = (struct tridentfb_par *)(info->par); - u32 htotal, hdispend, hsyncstart, hsyncend, hblankstart, hblankend; - u32 vtotal, vdispend, vsyncstart, vsyncend, vblankstart, vblankend; - struct fb_var_screeninfo *var = &info->var; - int bpp = var->bits_per_pixel; - unsigned char tmp; - debug("enter\n"); - hdispend = var->xres / 8 - 1; - hsyncstart = (var->xres + var->right_margin) / 8; - hsyncend = var->hsync_len / 8; - htotal = - (var->xres + var->left_margin + var->right_margin + - var->hsync_len) / 8 - 10; - hblankstart = hdispend + 1; - hblankend = htotal + 5; - - vdispend = var->yres - 1; - vsyncstart = var->yres + var->lower_margin; - vsyncend = var->vsync_len; - vtotal = var->upper_margin + vsyncstart + vsyncend - 2; - vblankstart = var->yres; - vblankend = vtotal + 2; - - enable_mmio(); - crtc_unlock(); - write3CE(CyberControl, 8); - - if (flatpanel && var->xres < nativex) { - /* - * on flat panels with native size larger - * than requested resolution decide whether - * we stretch or center - */ - t_outb(0xEB, 0x3C2); - - shadowmode_on(); - - if (center) - screen_center(); - else if (stretch) - screen_stretch(); - - } else { - t_outb(0x2B, 0x3C2); - write3CE(CyberControl, 8); - } - - /* vertical timing values */ - write3X4(CRTVTotal, vtotal & 0xFF); - write3X4(CRTVDispEnd, vdispend & 0xFF); - write3X4(CRTVSyncStart, vsyncstart & 0xFF); - write3X4(CRTVSyncEnd, (vsyncend & 0x0F)); - write3X4(CRTVBlankStart, vblankstart & 0xFF); - write3X4(CRTVBlankEnd, 0 /* p->vblankend & 0xFF */ ); - - /* horizontal timing values */ - write3X4(CRTHTotal, htotal & 0xFF); - write3X4(CRTHDispEnd, hdispend & 0xFF); - write3X4(CRTHSyncStart, hsyncstart & 0xFF); - write3X4(CRTHSyncEnd, (hsyncend & 0x1F) | ((hblankend & 0x20) << 2)); - write3X4(CRTHBlankStart, hblankstart & 0xFF); - write3X4(CRTHBlankEnd, 0 /* (p->hblankend & 0x1F) */ ); - - /* higher bits of vertical timing values */ - tmp = 0x10; - if (vtotal & 0x100) tmp |= 0x01; - if (vdispend & 0x100) tmp |= 0x02; - if (vsyncstart & 0x100) tmp |= 0x04; - if (vblankstart & 0x100) tmp |= 0x08; - - if (vtotal & 0x200) tmp |= 0x20; - if (vdispend & 0x200) tmp |= 0x40; - if (vsyncstart & 0x200) tmp |= 0x80; - write3X4(CRTOverflow, tmp); - - tmp = read3X4(CRTHiOrd) | 0x08; /* line compare bit 10 */ - if (vtotal & 0x400) tmp |= 0x80; - if (vblankstart & 0x400) tmp |= 0x40; - if (vsyncstart & 0x400) tmp |= 0x20; - if (vdispend & 0x400) tmp |= 0x10; - write3X4(CRTHiOrd, tmp); - - tmp = 0; - if (htotal & 0x800) tmp |= 0x800 >> 11; - if (hblankstart & 0x800) tmp |= 0x800 >> 7; - write3X4(HorizOverflow, tmp); - - tmp = 0x40; - if (vblankstart & 0x200) tmp |= 0x20; -//FIXME if (info->var.vmode & FB_VMODE_DOUBLE) tmp |= 0x80; /* double scan for 200 line modes */ - write3X4(CRTMaxScanLine, tmp); - - write3X4(CRTLineCompare, 0xFF); - write3X4(CRTPRowScan, 0); - write3X4(CRTModeControl, 0xC3); - - write3X4(LinearAddReg, 0x20); /* enable linear addressing */ - - tmp = (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84 : 0x80; - write3X4(CRTCModuleTest, tmp); /* enable access extended memory */ - - write3X4(GraphEngReg, 0x80); /* enable GE for text acceleration */ - -#ifdef CONFIG_FB_TRIDENT_ACCEL - acc->init_accel(info->var.xres, bpp); -#endif - - switch (bpp) { - case 8: - tmp = 0x00; - break; - case 16: - tmp = 0x05; - break; - case 24: - tmp = 0x29; - break; - case 32: - tmp = 0x09; - break; - } - - write3X4(PixelBusReg, tmp); - - tmp = 0x10; - if (chipcyber) - tmp |= 0x20; - write3X4(DRAMControl, tmp); /* both IO, linear enable */ - - write3X4(InterfaceSel, read3X4(InterfaceSel) | 0x40); - write3X4(Performance, 0x92); - write3X4(PCIReg, 0x07); /* MMIO & PCI read and write burst enable */ - - /* convert from picoseconds to MHz */ - par->vclk = 1000000 / info->var.pixclock; - if (bpp == 32) - par->vclk *= 2; - set_vclk(par->vclk); - - write3C4(0, 3); - write3C4(1, 1); /* set char clock 8 dots wide */ - write3C4(2, 0x0F); /* enable 4 maps because needed in chain4 mode */ - write3C4(3, 0); - write3C4(4, 0x0E); /* memory mode enable bitmaps ?? */ - - write3CE(MiscExtFunc, (bpp == 32) ? 0x1A : 0x12); /* divide clock by 2 if 32bpp */ - /* chain4 mode display and CPU path */ - write3CE(0x5, 0x40); /* no CGA compat, allow 256 col */ - write3CE(0x6, 0x05); /* graphics mode */ - write3CE(0x7, 0x0F); /* planes? */ - - if (chip_id == CYBERBLADEXPAi1) { - /* This fixes snow-effect in 32 bpp */ - write3X4(CRTHSyncStart, 0x84); - } - - writeAttr(0x10, 0x41); /* graphics mode and support 256 color modes */ - writeAttr(0x12, 0x0F); /* planes */ - writeAttr(0x13, 0); /* horizontal pel panning */ - - /* colors */ - for (tmp = 0; tmp < 0x10; tmp++) - writeAttr(tmp, tmp); - readb(par->io_virt + CRT + 0x0A); /* flip-flop to index */ - t_outb(0x20, 0x3C0); /* enable attr */ - - switch (bpp) { - case 8: - tmp = 0; - break; - case 15: - tmp = 0x10; - break; - case 16: - tmp = 0x30; - break; - case 24: - case 32: - tmp = 0xD0; - break; - } - - t_inb(0x3C8); - t_inb(0x3C6); - t_inb(0x3C6); - t_inb(0x3C6); - t_inb(0x3C6); - t_outb(tmp, 0x3C6); - t_inb(0x3C8); - - if (flatpanel) - set_number_of_lines(info->var.yres); - set_lwidth(info->var.xres * bpp / (4 * 16)); - info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; - info->fix.line_length = info->var.xres * (bpp >> 3); - info->cmap.len = (bpp == 8) ? 256 : 16; - debug("exit\n"); - return 0; -} - -/* Set one color register */ -static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - int bpp = info->var.bits_per_pixel; - - if (regno >= info->cmap.len) - return 1; - - if (bpp == 8) { - t_outb(0xFF, 0x3C6); - t_outb(regno, 0x3C8); - - t_outb(red >> 10, 0x3C9); - t_outb(green >> 10, 0x3C9); - t_outb(blue >> 10, 0x3C9); - - } else if (regno < 16) { - if (bpp == 16) { /* RGB 565 */ - u32 col; - - col = (red & 0xF800) | ((green & 0xFC00) >> 5) | - ((blue & 0xF800) >> 11); - col |= col << 16; - ((u32 *)(info->pseudo_palette))[regno] = col; - } else if (bpp == 32) /* ARGB 8888 */ - ((u32*)info->pseudo_palette)[regno] = - ((transp & 0xFF00) << 16) | - ((red & 0xFF00) << 8) | - ((green & 0xFF00)) | - ((blue & 0xFF00) >> 8); - } - -/* debug("exit\n"); */ - return 0; -} - -/* Try blanking the screen.For flat panels it does nothing */ -static int tridentfb_blank(int blank_mode, struct fb_info *info) -{ - unsigned char PMCont, DPMSCont; - - debug("enter\n"); - if (flatpanel) - return 0; - t_outb(0x04, 0x83C8); /* Read DPMS Control */ - PMCont = t_inb(0x83C6) & 0xFC; - DPMSCont = read3CE(PowerStatus) & 0xFC; - switch (blank_mode) { - case FB_BLANK_UNBLANK: - /* Screen: On, HSync: On, VSync: On */ - case FB_BLANK_NORMAL: - /* Screen: Off, HSync: On, VSync: On */ - PMCont |= 0x03; - DPMSCont |= 0x00; - break; - case FB_BLANK_HSYNC_SUSPEND: - /* Screen: Off, HSync: Off, VSync: On */ - PMCont |= 0x02; - DPMSCont |= 0x01; - break; - case FB_BLANK_VSYNC_SUSPEND: - /* Screen: Off, HSync: On, VSync: Off */ - PMCont |= 0x02; - DPMSCont |= 0x02; - break; - case FB_BLANK_POWERDOWN: - /* Screen: Off, HSync: Off, VSync: Off */ - PMCont |= 0x00; - DPMSCont |= 0x03; - break; - } - - write3CE(PowerStatus, DPMSCont); - t_outb(4, 0x83C8); - t_outb(PMCont, 0x83C6); - - debug("exit\n"); - - /* let fbcon do a softblank for us */ - return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0; -} - -static struct fb_ops tridentfb_ops = { - .owner = THIS_MODULE, - .fb_setcolreg = tridentfb_setcolreg, - .fb_pan_display = tridentfb_pan_display, - .fb_blank = tridentfb_blank, - .fb_check_var = tridentfb_check_var, - .fb_set_par = tridentfb_set_par, - .fb_fillrect = tridentfb_fillrect, - .fb_copyarea = tridentfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - -static int __devinit trident_pci_probe(struct pci_dev * dev, - const struct pci_device_id * id) -{ - int err; - unsigned char revision; - - err = pci_enable_device(dev); - if (err) - return err; - - chip_id = id->device; - - if (chip_id == CYBERBLADEi1) - output("*** Please do use cyblafb, Cyberblade/i1 support " - "will soon be removed from tridentfb!\n"); - - - /* If PCI id is 0x9660 then further detect chip type */ - - if (chip_id == TGUI9660) { - outb(RevisionID, 0x3C4); - revision = inb(0x3C5); - - switch (revision) { - case 0x22: - case 0x23: - chip_id = CYBER9397; - break; - case 0x2A: - chip_id = CYBER9397DVD; - break; - case 0x30: - case 0x33: - case 0x34: - case 0x35: - case 0x38: - case 0x3A: - case 0xB3: - chip_id = CYBER9385; - break; - case 0x40 ... 0x43: - chip_id = CYBER9382; - break; - case 0x4A: - chip_id = CYBER9388; - break; - default: - break; - } - } - - chip3D = is3Dchip(chip_id); - chipcyber = iscyber(chip_id); - - if (is_xp(chip_id)) { - acc = &accel_xp; - } else if (is_blade(chip_id)) { - acc = &accel_blade; - } else { - acc = &accel_image; - } - - /* acceleration is on by default for 3D chips */ - defaultaccel = chip3D && !noaccel; - - fb_info.par = &default_par; - - /* setup MMIO region */ - tridentfb_fix.mmio_start = pci_resource_start(dev, 1); - tridentfb_fix.mmio_len = chip3D ? 0x20000 : 0x10000; - - if (!request_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len, "tridentfb")) { - debug("request_region failed!\n"); - return -1; - } - - default_par.io_virt = ioremap_nocache(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); - - if (!default_par.io_virt) { - debug("ioremap failed\n"); - err = -1; - goto out_unmap1; - } - - enable_mmio(); - - /* setup framebuffer memory */ - tridentfb_fix.smem_start = pci_resource_start(dev, 0); - tridentfb_fix.smem_len = get_memsize(); - - if (!request_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len, "tridentfb")) { - debug("request_mem_region failed!\n"); - disable_mmio(); - err = -1; - goto out_unmap1; - } - - fb_info.screen_base = ioremap_nocache(tridentfb_fix.smem_start, - tridentfb_fix.smem_len); - - if (!fb_info.screen_base) { - debug("ioremap failed\n"); - err = -1; - goto out_unmap2; - } - - output("%s board found\n", pci_name(dev)); - displaytype = get_displaytype(); - - if (flatpanel) - nativex = get_nativex(); - - fb_info.fix = tridentfb_fix; - fb_info.fbops = &tridentfb_ops; - - - fb_info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; -#ifdef CONFIG_FB_TRIDENT_ACCEL - fb_info.flags |= FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; -#endif - fb_info.pseudo_palette = pseudo_pal; - - if (!fb_find_mode(&default_var, &fb_info, mode, NULL, 0, NULL, bpp)) { - err = -EINVAL; - goto out_unmap2; - } - err = fb_alloc_cmap(&fb_info.cmap, 256, 0); - if (err < 0) - goto out_unmap2; - - if (defaultaccel && acc) - default_var.accel_flags |= FB_ACCELF_TEXT; - else - default_var.accel_flags &= ~FB_ACCELF_TEXT; - default_var.activate |= FB_ACTIVATE_NOW; - fb_info.var = default_var; - fb_info.device = &dev->dev; - if (register_framebuffer(&fb_info) < 0) { - printk(KERN_ERR "tridentfb: could not register Trident framebuffer\n"); - fb_dealloc_cmap(&fb_info.cmap); - err = -EINVAL; - goto out_unmap2; - } - output("fb%d: %s frame buffer device %dx%d-%dbpp\n", - fb_info.node, fb_info.fix.id, default_var.xres, - default_var.yres, default_var.bits_per_pixel); - return 0; - -out_unmap2: - if (fb_info.screen_base) - iounmap(fb_info.screen_base); - release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len); - disable_mmio(); -out_unmap1: - if (default_par.io_virt) - iounmap(default_par.io_virt); - release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); - return err; -} - -static void __devexit trident_pci_remove(struct pci_dev *dev) -{ - struct tridentfb_par *par = (struct tridentfb_par*)fb_info.par; - unregister_framebuffer(&fb_info); - iounmap(par->io_virt); - iounmap(fb_info.screen_base); - release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len); - release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); -} - -/* List of boards that we are trying to support */ -static struct pci_device_id trident_devices[] = { - {PCI_VENDOR_ID_TRIDENT, BLADE3D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEE4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, TGUI9660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, IMAGE975, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, IMAGE985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9388, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9520, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9525DVD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9397, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9397DVD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPAi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm16, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - {0,} -}; - -MODULE_DEVICE_TABLE(pci, trident_devices); - -static struct pci_driver tridentfb_pci_driver = { - .name = "tridentfb", - .id_table = trident_devices, - .probe = trident_pci_probe, - .remove = __devexit_p(trident_pci_remove) -}; - -/* - * Parse user specified options (`video=trident:') - * example: - * video=trident:800x600,bpp=16,noaccel - */ -#ifndef MODULE -static int tridentfb_setup(char *options) -{ - char *opt; - if (!options || !*options) - return 0; - while ((opt = strsep(&options, ",")) != NULL) { - if (!*opt) - continue; - if (!strncmp(opt, "noaccel", 7)) - noaccel = 1; - else if (!strncmp(opt, "fp", 2)) - displaytype = DISPLAY_FP; - else if (!strncmp(opt, "crt", 3)) - displaytype = DISPLAY_CRT; - else if (!strncmp(opt, "bpp=", 4)) - bpp = simple_strtoul(opt + 4, NULL, 0); - else if (!strncmp(opt, "center", 6)) - center = 1; - else if (!strncmp(opt, "stretch", 7)) - stretch = 1; - else if (!strncmp(opt, "memsize=", 8)) - memsize = simple_strtoul(opt + 8, NULL, 0); - else if (!strncmp(opt, "memdiff=", 8)) - memdiff = simple_strtoul(opt + 8, NULL, 0); - else if (!strncmp(opt, "nativex=", 8)) - nativex = simple_strtoul(opt + 8, NULL, 0); - else - mode = opt; - } - return 0; -} -#endif - -static int __init tridentfb_init(void) -{ -#ifndef MODULE - char *option = NULL; - - if (fb_get_options("tridentfb", &option)) - return -ENODEV; - tridentfb_setup(option); -#endif - output("Trident framebuffer %s initializing\n", VERSION); - return pci_register_driver(&tridentfb_pci_driver); -} - -static void __exit tridentfb_exit(void) -{ - pci_unregister_driver(&tridentfb_pci_driver); -} - -module_init(tridentfb_init); -module_exit(tridentfb_exit); - -MODULE_AUTHOR("Jani Monoses <jani@iv.ro>"); -MODULE_DESCRIPTION("Framebuffer driver for Trident cards"); -MODULE_LICENSE("GPL"); - |