| /* |
| * 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_option __devinitdata = "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_option, charp, 0); |
| MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'"); |
| module_param_named(mode, mode_option, charp, 0); |
| MODULE_PARM_DESC(mode, "Initial video mode e.g. '648x480-8@60' (deprecated)"); |
| 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; |
| |
| 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_option, 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 __init 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_option = 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"); |
| |