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1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 | /* * Permedia2 framebuffer driver. * Copyright (c) 1998-1999 Ilario Nardinocchi (nardinoc@CS.UniBO.IT) * Based on linux/drivers/video/skeletonfb.c by Geert Uytterhoeven. * -------------------------------------------------------------------------- * $Id: pm2fb.c,v 1.163 1999/02/21 14:06:49 illo Exp $ * -------------------------------------------------------------------------- * TODO multiple boards support * -------------------------------------------------------------------------- * This file is subject to the terms and conditions of the GNU General Public * License. See the file README.legal in the main directory of this archive * for more details. */ #include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/tty.h> #include <linux/malloc.h> #include <linux/vmalloc.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/fb.h> #include <linux/selection.h> #include <linux/console.h> #include <linux/init.h> #include <linux/pci.h> #include <asm/system.h> #include <asm/io.h> #include <asm/uaccess.h> #include <video/fbcon.h> #include <video/fbcon-cfb8.h> #include <video/fbcon-cfb16.h> #include <video/fbcon-cfb24.h> #include <video/fbcon-cfb32.h> #include "pm2fb.h" #include "cvisionppc.h" #if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN) #error "The endianness of the target host has not been defined." #endif #if defined(CONFIG_FB_PM2_PCI) && !defined(CONFIG_PCI) #undef CONFIG_FB_PM2_PCI #warning "support for Permedia2 PCI boards with no generic PCI support!" #endif #define PM2FB_MASTER_DEBUG #ifdef PM2FB_MASTER_DEBUG #define DPRINTK(a,b...) printk("pm2fb: %s: " a, __FUNCTION__ , ## b) #else #define DPRINTK(a,b...) #endif #define PICOS2KHZ(a) (1000000000UL/(a)) #define KHZ2PICOS(a) (1000000000UL/(a)) /* * The _DEFINITIVE_ memory mapping/unmapping functions. * This is due to the fact that they're changing soooo often... */ #define MMAP(a,b) ioremap((unsigned long )(a), b) #define UNMAP(a,b) iounmap(a) /* * The _DEFINITIVE_ memory i/o barrier functions. * This is due to the fact that they're changing soooo often... */ #define DEFW() wmb() #define DEFR() rmb() #define DEFRW() mb() #ifndef MIN #define MIN(a,b) ((a)<(b)?(a):(b)) #endif #ifndef MAX #define MAX(a,b) ((a)>(b)?(a):(b)) #endif struct pm2fb_par { u32 pixclock; /* pixclock in KHz */ u32 width; /* width of virtual screen */ u32 height; /* height of virtual screen */ u32 hsstart; /* horiz. sync start */ u32 hsend; /* horiz. sync end */ u32 hbend; /* horiz. blank end (also gate end) */ u32 htotal; /* total width (w/ sync & blank) */ u32 vsstart; /* vert. sync start */ u32 vsend; /* vert. sync end */ u32 vbend; /* vert. blank end */ u32 vtotal; /* total height (w/ sync & blank) */ u32 stride; /* screen stride */ u32 base; /* screen base (xoffset+yoffset) */ u32 depth; /* screen depth (8, 16, 24 or 32) */ u32 video; /* video control (hsync,vsync) */ }; #define OPTF_OLD_MEM (1L<<0) #define OPTF_YPAN (1L<<1) #define OPTF_VIRTUAL (1L<<2) static struct { char font[40]; u32 flags; struct pm2fb_par user_mode; } pm2fb_options = {"\0", 0L, {25174,640,480,4,28,40,199,9,11,45,524,80,0,8,121}}; static const struct { char name[16]; struct pm2fb_par par; } user_mode[] __initdata = { {"640x480-60", {25174,640,480,4,28,40,199,9,11,45,524,80,0,8,121}}, {"640x480-72", {31199,640,480,6,16,48,207,8,10,39,518,80,0,8,121}}, {"640x480-75", {31499,640,480,4,20,50,209,0,3,20,499,80,0,8,121}}, {"640x480-90", {39909,640,480,8,18,48,207,24,38,53,532,80,0,8,121}}, {"640x480-100", {44899,640,480,8,40,52,211,21,33,51,530,80,0,8,121}}, {"800x600-56", {35999,800,600,6,24,56,255,0,2,25,624,100,0,8,41}}, {"800x600-60", {40000,800,600,10,42,64,263,0,4,28,627,100,0,8,41}}, {"800x600-70", {44899,800,600,6,42,52,251,8,20,36,635,100,0,8,105}}, {"800x600-72", {50000,800,600,14,44,60,259,36,42,66,665,100,0,8,41}}, {"800x600-75", {49497,800,600,4,24,64,263,0,3,25,624,100,0,8,41}}, {"800x600-90", {56637,800,600,2,18,48,247,7,18,35,634,100,0,8,41}}, {"800x600-100", {67499,800,600,0,16,70,269,6,10,25,624,100,0,8,41}}, {"1024x768-60", {64998,1024,768,6,40,80,335,2,8,38,805,128,0,8,121}}, {"1024x768-70", {74996,1024,768,6,40,76,331,2,8,38,805,128,0,8,121}}, {"1024x768-72", {74996,1024,768,6,40,66,321,2,8,38,805,128,0,8,121}}, {"1024x768-75", {78932,1024,768,4,28,72,327,0,3,32,799,128,0,8,41}}, {"1024x768-90", {100000,1024,768,0,24,72,327,20,35,77,844,128,0,8,121}}, {"1024x768-100", {109998,1024,768,0,22,92,347,0,7,24,791,128,0,8,121}}, {"1024x768-illo", {120322,1024,768,12,48,120,375,3,7,32,799,128,0,8,41}}, {"1152x864-60", {80000,1152,864,16,44,76,363,5,10,52,915,144,0,8,41}}, {"1152x864-70", {100000,1152,864,10,48,90,377,12,23,81,944,144,0,8,41}}, {"1152x864-75", {109998,1152,864,6,42,78,365,44,52,138,1001,144,0,8,41}}, {"1152x864-80", {109998,1152,864,4,32,72,359,29,36,94,957,144,0,8,41}}, {"1280x1024-60", {107991,1280,1024,12,40,102,421,0,3,42,1065,160,0,8,41}}, {"1280x1024-70", {125992,1280,1024,20,48,102,421,0,5,42,1065,160,0,8,41}}, {"1280x1024-74", {134989,1280,1024,8,44,108,427,0,29,40,1063,160,0,8,41}}, {"1280x1024-75", {134989,1280,1024,4,40,102,421,0,3,42,1065,160,0,8,41}}, {"1600x1200-60", {155981,1600,1200,8,48,112,511,9,17,70,1269,200,0,8,121}}, {"1600x1200-66", {171998,1600,1200,10,44,120,519,2,5,53,1252,200,0,8,121}}, {"1600x1200-76", {197980,1600,1200,10,44,120,519,2,7,50,1249,200,0,8,121}}, {"\0", }, }; #ifdef CONFIG_FB_PM2_PCI struct pm2pci_par { u32 mem_config; u32 mem_control; u32 boot_address; struct pci_dev* dev; }; #endif static const char permedia2_name[16]="Permedia2"; static struct pm2fb_info { struct fb_info_gen gen; int board; /* Permedia2 board index (see board_table[] below) */ struct { unsigned char* fb_base; /* framebuffer memory base */ u32 fb_size; /* framebuffer memory size */ unsigned char* rg_base; /* register memory base */ unsigned char* p_fb; /* physical address of frame buffer */ unsigned char* v_fb; /* virtual address of frame buffer */ unsigned char* p_regs; /* physical address of registers region, must be rg_base or rg_base+PM2_REGS_SIZE depending on the host endianness */ unsigned char* v_regs; /* virtual address of p_regs */ } regions; union { /* here, the per-board par structs */ #ifdef CONFIG_FB_PM2_CVPPC struct cvppc_par cvppc; /* CVisionPPC data */ #endif #ifdef CONFIG_FB_PM2_PCI struct pm2pci_par pci; /* Permedia2 PCI boards data */ #endif } board_par; struct pm2fb_par current_par; /* displayed screen */ int current_par_valid; u32 memclock; /* memclock (set by the per-board init routine) */ struct display disp; struct { u8 transp; u8 red; u8 green; u8 blue; } palette[256]; union { #ifdef FBCON_HAS_CFB16 u16 cmap16[16]; #endif #ifdef FBCON_HAS_CFB24 u32 cmap24[16]; #endif #ifdef FBCON_HAS_CFB32 u32 cmap32[16]; #endif } cmap; } fb_info; #ifdef CONFIG_FB_PM2_CVPPC static int cvppc_detect(struct pm2fb_info*); static void cvppc_init(struct pm2fb_info*); #endif #ifdef CONFIG_FB_PM2_PCI static int pm2pci_detect(struct pm2fb_info*); static void pm2pci_init(struct pm2fb_info*); #endif /* * Table of the supported Permedia2 based boards. * Three hooks are defined for each board: * detect(): should return 1 if the related board has been detected, 0 * otherwise. It should also fill the fields 'regions.fb_base', * 'regions.fb_size', 'regions.rg_base' and 'memclock' in the * passed pm2fb_info structure. * init(): called immediately after the reset of the Permedia2 chip. * It should reset the memory controller if needed (the MClk * is set shortly afterwards by the caller). * cleanup(): called after the driver has been unregistered. * * the init and cleanup pointers can be NULL. */ static const struct { int (*detect)(struct pm2fb_info*); void (*init)(struct pm2fb_info*); void (*cleanup)(struct pm2fb_info*); char name[32]; } board_table[] = { #ifdef CONFIG_FB_PM2_PCI { pm2pci_detect, pm2pci_init, NULL, "Permedia2 PCI board" }, #endif #ifdef CONFIG_FB_PM2_CVPPC { cvppc_detect, cvppc_init, NULL, "CVisionPPC/BVisionPPC" }, #endif { NULL, } }; /* * partial products for the supported horizontal resolutions. */ #define PACKPP(p0,p1,p2) (((p2)<<6)|((p1)<<3)|(p0)) static const struct { u16 width; u16 pp; } pp_table[] = { { 32, PACKPP(1, 0, 0) }, { 64, PACKPP(1, 1, 0) }, { 96, PACKPP(1, 1, 1) }, { 128, PACKPP(2, 1, 1) }, { 160, PACKPP(2, 2, 1) }, { 192, PACKPP(2, 2, 2) }, { 224, PACKPP(3, 2, 1) }, { 256, PACKPP(3, 2, 2) }, { 288, PACKPP(3, 3, 1) }, { 320, PACKPP(3, 3, 2) }, { 384, PACKPP(3, 3, 3) }, { 416, PACKPP(4, 3, 1) }, { 448, PACKPP(4, 3, 2) }, { 512, PACKPP(4, 3, 3) }, { 544, PACKPP(4, 4, 1) }, { 576, PACKPP(4, 4, 2) }, { 640, PACKPP(4, 4, 3) }, { 768, PACKPP(4, 4, 4) }, { 800, PACKPP(5, 4, 1) }, { 832, PACKPP(5, 4, 2) }, { 896, PACKPP(5, 4, 3) }, { 1024, PACKPP(5, 4, 4) }, { 1056, PACKPP(5, 5, 1) }, { 1088, PACKPP(5, 5, 2) }, { 1152, PACKPP(5, 5, 3) }, { 1280, PACKPP(5, 5, 4) }, { 1536, PACKPP(5, 5, 5) }, { 1568, PACKPP(6, 5, 1) }, { 1600, PACKPP(6, 5, 2) }, { 1664, PACKPP(6, 5, 3) }, { 1792, PACKPP(6, 5, 4) }, { 2048, PACKPP(6, 5, 5) }, { 0, 0 } }; static void pm2fb_detect(void); static int pm2fb_encode_fix(struct fb_fix_screeninfo* fix, const void* par, struct fb_info_gen* info); static int pm2fb_decode_var(const struct fb_var_screeninfo* var, void* par, struct fb_info_gen* info); static int pm2fb_encode_var(struct fb_var_screeninfo* var, const void* par, struct fb_info_gen* info); static void pm2fb_get_par(void* par, struct fb_info_gen* info); static void pm2fb_set_par(const void* par, struct fb_info_gen* info); static int pm2fb_getcolreg(unsigned regno, unsigned* red, unsigned* green, unsigned* blue, unsigned* transp, struct fb_info* info); static int pm2fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info* info); static int pm2fb_blank(int blank_mode, struct fb_info_gen* info); static int pm2fb_pan_display(const struct fb_var_screeninfo* var, struct fb_info_gen* info); static void pm2fb_set_disp(const void* par, struct display* disp, struct fb_info_gen* info); static struct fbgen_hwswitch pm2fb_hwswitch={ pm2fb_detect, pm2fb_encode_fix, pm2fb_decode_var, pm2fb_encode_var, pm2fb_get_par, pm2fb_set_par, pm2fb_getcolreg, pm2fb_setcolreg, pm2fb_pan_display, pm2fb_blank, pm2fb_set_disp }; static int pm2fb_open(struct fb_info* info, int user); static int pm2fb_release(struct fb_info* info, int user); static struct fb_ops pm2fb_ops={ pm2fb_open, pm2fb_release, fbgen_get_fix, fbgen_get_var, fbgen_set_var, fbgen_get_cmap, fbgen_set_cmap, fbgen_pan_display, NULL /* fb_ioctl() */, NULL /* fb_mmap() */ }; /*************************************************************************** * Begin of Permedia2 specific functions ***************************************************************************/ inline static u32 RD32(unsigned char* base, s32 off) { return readl(base+off); } inline static void WR32(unsigned char* base, s32 off, u32 v) { writel(v, base+off); } inline static u32 pm2_RD(struct pm2fb_info* p, s32 off) { return RD32(p->regions.v_regs, off); } inline static void pm2_WR(struct pm2fb_info* p, s32 off, u32 v) { WR32(p->regions.v_regs, off, v); } inline static u32 pm2_RDAC_RD(struct pm2fb_info* p, s32 idx) { pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, idx); DEFRW(); return pm2_RD(p, PM2R_RD_INDEXED_DATA); } inline static void pm2_RDAC_WR(struct pm2fb_info* p, s32 idx, u32 v) { pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, idx); DEFW(); pm2_WR(p, PM2R_RD_INDEXED_DATA, v); } #ifdef CONFIG_FB_PM2_FIFO_DISCONNECT #define WAIT_FIFO(p,a) #else inline static void WAIT_FIFO(struct pm2fb_info* p, u32 a) { while(pm2_RD(p, PM2R_IN_FIFO_SPACE)<a); DEFRW(); } #endif static u32 partprod(u32 xres) { int i; for (i=0; pp_table[i].width && pp_table[i].width!=xres; i++); if (!pp_table[i].width) DPRINTK("invalid width %u\n", xres); return pp_table[i].pp; } static u32 to3264(u32 timing, int bpp, int is64) { switch (bpp) { case 8: timing=timing>>(2+is64); break; case 16: timing=timing>>(1+is64); break; case 24: timing=(timing*3)>>(2+is64); break; case 32: if (is64) timing=timing>>1; break; } return timing; } static u32 from3264(u32 timing, int bpp, int is64) { switch (bpp) { case 8: timing=timing<<(2+is64); break; case 16: timing=timing<<(1+is64); break; case 24: timing=(timing<<(2+is64))/3; break; case 32: if (is64) timing=timing<<1; break; } return timing; } static void mnp(u32 clk, unsigned char* mm, unsigned char* nn, unsigned char* pp) { unsigned char m; unsigned char n; unsigned char p; u32 f; s32 curr; s32 delta=100000; *mm=*nn=*pp=0; for (n=2; n<15; n++) { for (m=2; m; m++) { f=PM2_REFERENCE_CLOCK*m/n; if (f>=150000 && f<=300000) { for (p=0; p<5; p++, f>>=1) { curr=clk>f?clk-f:f-clk; if (curr<delta) { delta=curr; *mm=m; *nn=n; *pp=p; } } } } } } static void wait_pm2(struct pm2fb_info* i) { WAIT_FIFO(i, 1); pm2_WR(i, PM2R_SYNC, 0); DEFRW(); do { while (pm2_RD(i, PM2R_OUT_FIFO_WORDS)==0); DEFR(); } while (pm2_RD(i, PM2R_OUT_FIFO)!=PM2TAG(PM2R_SYNC)); } static void set_memclock(struct pm2fb_info* info, u32 clk) { int i; unsigned char m, n, p; mnp(clk, &m, &n, &p); WAIT_FIFO(info, 5); pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_3, 6); DEFW(); pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_1, m); pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_2, n); DEFW(); pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_3, 8|p); DEFW(); pm2_RDAC_RD(info, PM2I_RD_MEMORY_CLOCK_STATUS); DEFR(); for (i=256; i && !(pm2_RD(info, PM2R_RD_INDEXED_DATA)&PM2F_PLL_LOCKED); i--); } static void set_pixclock(struct pm2fb_info* info, u32 clk) { int i; unsigned char m, n, p; mnp(clk, &m, &n, &p); WAIT_FIFO(info, 5); pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A3, 0); DEFW(); pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A1, m); pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A2, n); DEFW(); pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A3, 8|p); DEFW(); pm2_RDAC_RD(info, PM2I_RD_PIXEL_CLOCK_STATUS); DEFR(); for (i=256; i && !(pm2_RD(info, PM2R_RD_INDEXED_DATA)&PM2F_PLL_LOCKED); i--); } static void clear_palette(struct pm2fb_info* p) { int i=256; WAIT_FIFO(p, 1); pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, 0); DEFW(); while (i--) { WAIT_FIFO(p, 3); pm2_WR(p, PM2R_RD_PALETTE_DATA, 0); pm2_WR(p, PM2R_RD_PALETTE_DATA, 0); pm2_WR(p, PM2R_RD_PALETTE_DATA, 0); } } static void set_color(struct pm2fb_info* p, unsigned char regno, unsigned char r, unsigned char g, unsigned char b) { WAIT_FIFO(p, 4); pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, regno); DEFW(); pm2_WR(p, PM2R_RD_PALETTE_DATA, r); DEFW(); pm2_WR(p, PM2R_RD_PALETTE_DATA, g); DEFW(); pm2_WR(p, PM2R_RD_PALETTE_DATA, b); } static void set_aperture(struct pm2fb_info* i, struct pm2fb_par* p) { WAIT_FIFO(i, 2); #ifdef __LITTLE_ENDIAN pm2_WR(i, PM2R_APERTURE_ONE, 0); /* FIXME */ pm2_WR(i, PM2R_APERTURE_TWO, 0); #else switch (p->depth) { case 8: case 24: pm2_WR(i, PM2R_APERTURE_ONE, 0); pm2_WR(i, PM2R_APERTURE_TWO, 1); break; case 16: pm2_WR(i, PM2R_APERTURE_ONE, 2); pm2_WR(i, PM2R_APERTURE_TWO, 1); break; case 32: pm2_WR(i, PM2R_APERTURE_ONE, 1); pm2_WR(i, PM2R_APERTURE_TWO, 1); break; } #endif } static void set_screen(struct pm2fb_info* i, struct pm2fb_par* p) { u32 clrmode=0; u32 txtmap=0; u32 xres; xres=(p->width+31)&~31; set_aperture(i, p); DEFRW(); WAIT_FIFO(i, 22); pm2_RDAC_WR(i, PM2I_RD_COLOR_KEY_CONTROL, p->depth==8?0: PM2F_COLOR_KEY_TEST_OFF); switch (p->depth) { case 8: pm2_WR(i, PM2R_FB_READ_PIXEL, 0); break; case 16: pm2_WR(i, PM2R_FB_READ_PIXEL, 1); clrmode=PM2F_RD_TRUECOLOR|0x06; txtmap=PM2F_TEXTEL_SIZE_16; break; case 32: pm2_WR(i, PM2R_FB_READ_PIXEL, 2); clrmode=PM2F_RD_TRUECOLOR|0x08; txtmap=PM2F_TEXTEL_SIZE_32; break; case 24: pm2_WR(i, PM2R_FB_READ_PIXEL, 4); clrmode=PM2F_RD_TRUECOLOR|0x09; txtmap=PM2F_TEXTEL_SIZE_24; break; } pm2_WR(i, PM2R_SCREEN_SIZE, (p->height<<16)|p->width); pm2_WR(i, PM2R_SCISSOR_MODE, PM2F_SCREEN_SCISSOR_ENABLE); pm2_WR(i, PM2R_FB_WRITE_MODE, PM2F_FB_WRITE_ENABLE); pm2_WR(i, PM2R_FB_READ_MODE, partprod(xres)); pm2_WR(i, PM2R_LB_READ_MODE, partprod(xres)); pm2_WR(i, PM2R_TEXTURE_MAP_FORMAT, txtmap|partprod(xres)); pm2_WR(i, PM2R_H_TOTAL, p->htotal); pm2_WR(i, PM2R_HS_START, p->hsstart); pm2_WR(i, PM2R_HS_END, p->hsend); pm2_WR(i, PM2R_HG_END, p->hbend); pm2_WR(i, PM2R_HB_END, p->hbend); pm2_WR(i, PM2R_V_TOTAL, p->vtotal); pm2_WR(i, PM2R_VS_START, p->vsstart); pm2_WR(i, PM2R_VS_END, p->vsend); pm2_WR(i, PM2R_VB_END, p->vbend); pm2_WR(i, PM2R_SCREEN_STRIDE, p->stride); DEFW(); pm2_WR(i, PM2R_SCREEN_BASE, p->base); pm2_RDAC_WR(i, PM2I_RD_COLOR_MODE, PM2F_RD_COLOR_MODE_RGB| PM2F_RD_GUI_ACTIVE|clrmode); pm2_WR(i, PM2R_VIDEO_CONTROL, p->video); set_pixclock(i, p->pixclock); }; /* * copy with packed pixels (8/16bpp only). */ static void pm2fb_pp_copy(struct pm2fb_info* i, s32 xsrc, s32 ysrc, s32 x, s32 y, s32 w, s32 h) { s32 scale=i->current_par.depth==8?2:1; s32 offset; if (!w || !h) return; WAIT_FIFO(i, 7); pm2_WR(i, PM2R_CONFIG, PM2F_CONFIG_FB_WRITE_ENABLE| PM2F_CONFIG_FB_PACKED_DATA| PM2F_CONFIG_FB_READ_SOURCE_ENABLE); pm2_WR(i, PM2R_FB_PIXEL_OFFSET, 0); pm2_WR(i, PM2R_FB_SOURCE_DELTA, ((ysrc-y)&0xfff)<<16| ((xsrc-x)&0xfff)); offset=(x&0x3)-(xsrc&0x3); pm2_WR(i, PM2R_RECTANGLE_ORIGIN, (y<<16)|(x>>scale)); pm2_WR(i, PM2R_RECTANGLE_SIZE, (h<<16)|((w+7)>>scale)); pm2_WR(i, PM2R_PACKED_DATA_LIMITS, (offset<<29)|(x<<16)|(x+w)); DEFW(); pm2_WR(i, PM2R_RENDER, PM2F_RENDER_RECTANGLE| (x<xsrc?PM2F_INCREASE_X:0)| (y<ysrc?PM2F_INCREASE_Y:0)); wait_pm2(i); } /* * block operation. copy=0: rectangle fill, copy=1: rectangle copy. */ static void pm2fb_block_op(struct pm2fb_info* i, int copy, s32 xsrc, s32 ysrc, s32 x, s32 y, s32 w, s32 h, u32 color) { if (!w || !h) return; WAIT_FIFO(i, 6); pm2_WR(i, PM2R_CONFIG, PM2F_CONFIG_FB_WRITE_ENABLE| PM2F_CONFIG_FB_READ_SOURCE_ENABLE); pm2_WR(i, PM2R_FB_PIXEL_OFFSET, 0); if (copy) pm2_WR(i, PM2R_FB_SOURCE_DELTA, ((ysrc-y)&0xfff)<<16| ((xsrc-x)&0xfff)); else pm2_WR(i, PM2R_FB_BLOCK_COLOR, color); pm2_WR(i, PM2R_RECTANGLE_ORIGIN, (y<<16)|x); pm2_WR(i, PM2R_RECTANGLE_SIZE, (h<<16)|w); DEFW(); pm2_WR(i, PM2R_RENDER, PM2F_RENDER_RECTANGLE| (x<xsrc?PM2F_INCREASE_X:0)| (y<ysrc?PM2F_INCREASE_Y:0)| (copy?0:PM2F_RENDER_FASTFILL)); wait_pm2(i); } /*************************************************************************** * Begin of generic initialization functions ***************************************************************************/ static void pm2fb_reset(struct pm2fb_info* p) { pm2_WR(p, PM2R_RESET_STATUS, 0); DEFRW(); while (pm2_RD(p, PM2R_RESET_STATUS)&PM2F_BEING_RESET); DEFRW(); #ifdef CONFIG_FB_PM2_FIFO_DISCONNECT DPRINTK("FIFO disconnect enabled\n"); pm2_WR(p, PM2R_FIFO_DISCON, 1); DEFRW(); #endif if (board_table[p->board].init) board_table[p->board].init(p); WAIT_FIFO(p, 48); pm2_WR(p, PM2R_CHIP_CONFIG, pm2_RD(p, PM2R_CHIP_CONFIG)& ~(PM2F_VGA_ENABLE|PM2F_VGA_FIXED)); pm2_WR(p, PM2R_BYPASS_WRITE_MASK, ~(0L)); pm2_WR(p, PM2R_FRAMEBUFFER_WRITE_MASK, ~(0L)); pm2_WR(p, PM2R_FIFO_CONTROL, 0); pm2_WR(p, PM2R_FILTER_MODE, PM2F_SYNCHRONIZATION); pm2_WR(p, PM2R_APERTURE_ONE, 0); pm2_WR(p, PM2R_APERTURE_TWO, 0); pm2_WR(p, PM2R_LB_READ_FORMAT, 0); pm2_WR(p, PM2R_LB_WRITE_FORMAT, 0); pm2_WR(p, PM2R_LB_READ_MODE, 0); pm2_WR(p, PM2R_LB_SOURCE_OFFSET, 0); pm2_WR(p, PM2R_FB_SOURCE_OFFSET, 0); pm2_WR(p, PM2R_FB_PIXEL_OFFSET, 0); pm2_WR(p, PM2R_WINDOW_ORIGIN, 0); pm2_WR(p, PM2R_FB_WINDOW_BASE, 0); pm2_WR(p, PM2R_LB_WINDOW_BASE, 0); pm2_WR(p, PM2R_FB_SOFT_WRITE_MASK, ~(0L)); pm2_WR(p, PM2R_FB_HARD_WRITE_MASK, ~(0L)); pm2_WR(p, PM2R_FB_READ_PIXEL, 0); pm2_WR(p, PM2R_DITHER_MODE, 0); pm2_WR(p, PM2R_AREA_STIPPLE_MODE, 0); pm2_WR(p, PM2R_DEPTH_MODE, 0); pm2_WR(p, PM2R_STENCIL_MODE, 0); pm2_WR(p, PM2R_TEXTURE_ADDRESS_MODE, 0); pm2_WR(p, PM2R_TEXTURE_READ_MODE, 0); pm2_WR(p, PM2R_TEXEL_LUT_MODE, 0); pm2_WR(p, PM2R_YUV_MODE, 0); pm2_WR(p, PM2R_COLOR_DDA_MODE, 0); pm2_WR(p, PM2R_TEXTURE_COLOR_MODE, 0); pm2_WR(p, PM2R_FOG_MODE, 0); pm2_WR(p, PM2R_ALPHA_BLEND_MODE, 0); pm2_WR(p, PM2R_LOGICAL_OP_MODE, 0); pm2_WR(p, PM2R_STATISTICS_MODE, 0); pm2_WR(p, PM2R_SCISSOR_MODE, 0); pm2_RDAC_WR(p, PM2I_RD_CURSOR_CONTROL, 0); pm2_RDAC_WR(p, PM2I_RD_MISC_CONTROL, PM2F_RD_PALETTE_WIDTH_8); pm2_RDAC_WR(p, PM2I_RD_COLOR_KEY_CONTROL, 0); pm2_RDAC_WR(p, PM2I_RD_OVERLAY_KEY, 0); pm2_RDAC_WR(p, PM2I_RD_RED_KEY, 0); pm2_RDAC_WR(p, PM2I_RD_GREEN_KEY, 0); pm2_RDAC_WR(p, PM2I_RD_BLUE_KEY, 0); clear_palette(p); if (p->memclock) set_memclock(p, p->memclock); } __initfunc(static int pm2fb_conf(struct pm2fb_info* p)) { for (p->board=0; board_table[p->board].detect && !(board_table[p->board].detect(p)); p->board++); if (!board_table[p->board].detect) { DPRINTK("no board found.\n"); return 0; } DPRINTK("found board: %s\n", board_table[p->board].name); p->regions.p_fb=p->regions.fb_base; p->regions.v_fb=MMAP(p->regions.p_fb, p->regions.fb_size); #ifdef __LITTLE_ENDIAN p->regions.p_regs=p->regions.rg_base; #else p->regions.p_regs=p->regions.rg_base+PM2_REGS_SIZE; #endif p->regions.v_regs=MMAP(p->regions.p_regs, PM2_REGS_SIZE); return 1; } /*************************************************************************** * Begin of per-board initialization functions ***************************************************************************/ /* * Phase5 CvisionPPC/BVisionPPC */ #ifdef CONFIG_FB_PM2_CVPPC static int cvppc_PCI_init(struct cvppc_par* p) { extern u32 powerup_PCI_present; if (!powerup_PCI_present) { DPRINTK("no PCI bridge detected\n"); return 0; } if (!(p->pci_config=MMAP(CVPPC_PCI_CONFIG, 256))) { DPRINTK("unable to map PCI config region\n"); return 0; } if (RD32(p->pci_config, PCI_VENDOR_ID)!= ((PCI_DEVICE_ID_TI_TVP4020<<16)|PCI_VENDOR_ID_TI)) { DPRINTK("bad vendorID/deviceID\n"); return 0; } if (!(p->pci_bridge=MMAP(CSPPC_PCI_BRIDGE, 256))) { DPRINTK("unable to map PCI bridge\n"); return 0; } WR32(p->pci_bridge, CSPPC_BRIDGE_ENDIAN, CSPPCF_BRIDGE_BIG_ENDIAN); DEFW(); if (pm2fb_options.flags & OPTF_OLD_MEM) WR32(p->pci_config, PCI_CACHE_LINE_SIZE, 0xff00); WR32(p->pci_config, PCI_BASE_ADDRESS_0, CVPPC_REGS_REGION); WR32(p->pci_config, PCI_BASE_ADDRESS_1, CVPPC_FB_APERTURE_ONE); WR32(p->pci_config, PCI_BASE_ADDRESS_2, CVPPC_FB_APERTURE_TWO); WR32(p->pci_config, PCI_ROM_ADDRESS, CVPPC_ROM_ADDRESS); DEFW(); WR32(p->pci_config, PCI_COMMAND, 0xef000000 | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); return 1; } static int cvppc_detect(struct pm2fb_info* p) { if (!cvppc_PCI_init(&p->board_par.cvppc)) return 0; p->regions.fb_base=(unsigned char* )CVPPC_FB_APERTURE_ONE; p->regions.fb_size=CVPPC_FB_SIZE; p->regions.rg_base=(unsigned char* )CVPPC_REGS_REGION; p->memclock=CVPPC_MEMCLOCK; return 1; } static void cvppc_init(struct pm2fb_info* p) { WAIT_FIFO(p, 3); pm2_WR(p, PM2R_MEM_CONTROL, 0); pm2_WR(p, PM2R_BOOT_ADDRESS, 0x30); DEFW(); if (pm2fb_options.flags & OPTF_OLD_MEM) pm2_WR(p, PM2R_MEM_CONFIG, CVPPC_MEM_CONFIG_OLD); else pm2_WR(p, PM2R_MEM_CONFIG, CVPPC_MEM_CONFIG_NEW); } #endif /* CONFIG_FB_PM2_CVPPC */ /* * Generic PCI detection routines */ #ifdef CONFIG_FB_PM2_PCI static int pm2pci_detect(struct pm2fb_info* p) { struct pm2pci_par* pci=&p->board_par.pci; unsigned char* m; memset(pci, 0, sizeof(struct pm2pci_par)); if (!pci_present()) { DPRINTK("no PCI bus found.\n"); return 0; } DPRINTK("scanning PCI bus for known chipsets...\n"); if ((pci->dev=pci_find_device(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TVP4020, NULL))) { DPRINTK("... found Texas Instruments TVP4020\n"); } if (!pci->dev) { DPRINTK("no PCI board found.\n"); return 0; } DPRINTK("PCI board @%08lx %08lx %08lx rom %08lx\n", pci->dev->base_address[0], pci->dev->base_address[1], pci->dev->base_address[2], pci->dev->rom_address); #ifdef __sparc__ p->regions.rg_base=(unsigned char* ) __pa(pci->dev->base_address[0] & PCI_BASE_ADDRESS_MEM_MASK); p->regions.fb_base=(unsigned char* ) __pa(pci->dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK); #else if (pm2fb_options.flags & OPTF_VIRTUAL) { p->regions.rg_base=(unsigned char* ) __pa(pci->dev->base_address[0] & PCI_BASE_ADDRESS_MEM_MASK); p->regions.fb_base=(unsigned char* ) __pa(pci->dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK); } else { p->regions.rg_base=(unsigned char* ) (pci->dev->base_address[0] & PCI_BASE_ADDRESS_MEM_MASK); p->regions.fb_base=(unsigned char* ) (pci->dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK); } #endif #ifdef __BIG_ENDIAN p->regions.rg_base += PM2_REGS_SIZE; #endif if ((m=MMAP(p->regions.rg_base, PM2_REGS_SIZE))) { pci->mem_control=RD32(m, PM2R_MEM_CONTROL); pci->boot_address=RD32(m, PM2R_BOOT_ADDRESS); pci->mem_config=RD32(m, PM2R_MEM_CONFIG); switch (pci->mem_config & PM2F_MEM_CONFIG_RAM_MASK) { case PM2F_MEM_BANKS_1: p->regions.fb_size=0x200000; break; case PM2F_MEM_BANKS_2: p->regions.fb_size=0x400000; break; case PM2F_MEM_BANKS_3: p->regions.fb_size=0x600000; break; case PM2F_MEM_BANKS_4: p->regions.fb_size=0x800000; break; } p->memclock=CVPPC_MEMCLOCK; UNMAP(m, PM2_REGS_SIZE); return 1; } DPRINTK("MMAP() failed.\n"); return 0; } static void pm2pci_init(struct pm2fb_info* p) { struct pm2pci_par* pci=&p->board_par.pci; WAIT_FIFO(p, 3); pm2_WR(p, PM2R_MEM_CONTROL, pci->mem_control); pm2_WR(p, PM2R_BOOT_ADDRESS, pci->boot_address); DEFW(); pm2_WR(p, PM2R_MEM_CONFIG, pci->mem_config); } #endif /* CONFIG_FB_PM2_PCI */ /*************************************************************************** * Console hw acceleration ***************************************************************************/ static int pm2fb_blank(int blank_mode, struct fb_info_gen* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; u32 video; if (!i->current_par_valid) return 1; video=i->current_par.video; if (blank_mode>0) { switch (blank_mode-1) { case VESA_NO_BLANKING: /* FIXME */ video=video&~(PM2F_VIDEO_ENABLE); break; case VESA_HSYNC_SUSPEND: video=video&~(PM2F_HSYNC_MASK| PM2F_BLANK_LOW); break; case VESA_VSYNC_SUSPEND: video=video&~(PM2F_VSYNC_MASK| PM2F_BLANK_LOW); break; case VESA_POWERDOWN: video=video&~(PM2F_VSYNC_MASK| PM2F_HSYNC_MASK| PM2F_BLANK_LOW); break; } } WAIT_FIFO(i, 1); pm2_WR(i, PM2R_VIDEO_CONTROL, video); return 0; } static int pm2fb_pan_display(const struct fb_var_screeninfo* var, struct fb_info_gen* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; if (!i->current_par_valid) return -EINVAL; i->current_par.base=to3264(var->yoffset*i->current_par.width+ var->xoffset, i->current_par.depth, 1); WAIT_FIFO(i, 1); pm2_WR(i, PM2R_SCREEN_BASE, i->current_par.base); return 0; } static void pm2fb_pp_bmove(struct display* p, int sy, int sx, int dy, int dx, int height, int width) { if (fontwidthlog(p)) { sx=sx<<fontwidthlog(p); dx=dx<<fontwidthlog(p); width=width<<fontwidthlog(p); } else { sx=sx*fontwidth(p); dx=dx*fontwidth(p); width=width*fontwidth(p); } sy=sy*fontheight(p); dy=dy*fontheight(p); height=height*fontheight(p); pm2fb_pp_copy((struct pm2fb_info* )p->fb_info, sx, sy, dx, dy, width, height); } static void pm2fb_bmove(struct display* p, int sy, int sx, int dy, int dx, int height, int width) { if (fontwidthlog(p)) { sx=sx<<fontwidthlog(p); dx=dx<<fontwidthlog(p); width=width<<fontwidthlog(p); } else { sx=sx*fontwidth(p); dx=dx*fontwidth(p); width=width*fontwidth(p); } sy=sy*fontheight(p); dy=dy*fontheight(p); height=height*fontheight(p); pm2fb_block_op((struct pm2fb_info* )p->fb_info, 1, sx, sy, dx, dy, width, height, 0); } #ifdef FBCON_HAS_CFB8 static void pm2fb_clear8(struct vc_data* conp, struct display* p, int sy, int sx, int height, int width) { u32 c; sx=sx*fontwidth(p); width=width*fontwidth(p); sy=sy*fontheight(p); height=height*fontheight(p); c=attr_bgcol_ec(p, conp); c|=c<<8; c|=c<<16; pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, sy, width, height, c); } static void pm2fb_clear_margins8(struct vc_data* conp, struct display* p, int bottom_only) { u32 c; u32 sx; u32 sy; c=attr_bgcol_ec(p, conp); c|=c<<8; c|=c<<16; sx=conp->vc_cols*fontwidth(p); sy=conp->vc_rows*fontheight(p); if (!bottom_only) pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, 0, (p->var.xres-sx), p->var.yres_virtual, c); pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, 0, p->var.yoffset+sy, sx, p->var.yres-sy, c); } static struct display_switch pm2_cfb8 = { fbcon_cfb8_setup, pm2fb_pp_bmove, pm2fb_clear8, fbcon_cfb8_putc, fbcon_cfb8_putcs, fbcon_cfb8_revc, NULL /* cursor() */, NULL /* set_font() */, pm2fb_clear_margins8, FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) }; #endif /* FBCON_HAS_CFB8 */ #ifdef FBCON_HAS_CFB16 static void pm2fb_clear16(struct vc_data* conp, struct display* p, int sy, int sx, int height, int width) { u32 c; sx=sx*fontwidth(p); width=width*fontwidth(p); sy=sy*fontheight(p); height=height*fontheight(p); c=((u16 *)p->dispsw_data)[attr_bgcol_ec(p, conp)]; c|=c<<16; pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, sy, width, height, c); } static void pm2fb_clear_margins16(struct vc_data* conp, struct display* p, int bottom_only) { u32 c; u32 sx; u32 sy; c = ((u16 *)p->dispsw_data)[attr_bgcol_ec(p, conp)]; c|=c<<16; sx=conp->vc_cols*fontwidth(p); sy=conp->vc_rows*fontheight(p); if (!bottom_only) pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, 0, (p->var.xres-sx), p->var.yres_virtual, c); pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, 0, p->var.yoffset+sy, sx, p->var.yres-sy, c); } static struct display_switch pm2_cfb16 = { fbcon_cfb16_setup, pm2fb_pp_bmove, pm2fb_clear16, fbcon_cfb16_putc, fbcon_cfb16_putcs, fbcon_cfb16_revc, NULL /* cursor() */, NULL /* set_font() */, pm2fb_clear_margins16, FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) }; #endif /* FBCON_HAS_CFB16 */ #ifdef FBCON_HAS_CFB24 /* * fast fill for 24bpp works only when red==green==blue */ static void pm2fb_clear24(struct vc_data* conp, struct display* p, int sy, int sx, int height, int width) { struct pm2fb_info* i=(struct pm2fb_info* )p->fb_info; u32 c; c=attr_bgcol_ec(p, conp); if ( i->palette[c].red==i->palette[c].green && i->palette[c].green==i->palette[c].blue) { c=((u32 *)p->dispsw_data)[c]; c|=(c&0xff0000)<<8; sx=sx*fontwidth(p); width=width*fontwidth(p); sy=sy*fontheight(p); height=height*fontheight(p); pm2fb_block_op(i, 0, 0, 0, sx, sy, width, height, c); } else fbcon_cfb24_clear(conp, p, sy, sx, height, width); } static void pm2fb_clear_margins24(struct vc_data* conp, struct display* p, int bottom_only) { struct pm2fb_info* i=(struct pm2fb_info* )p->fb_info; u32 c; u32 sx; u32 sy; c=attr_bgcol_ec(p, conp); if ( i->palette[c].red==i->palette[c].green && i->palette[c].green==i->palette[c].blue) { c=((u32 *)p->dispsw_data)[c]; c|=(c&0xff0000)<<8; sx=conp->vc_cols*fontwidth(p); sy=conp->vc_rows*fontheight(p); if (!bottom_only) pm2fb_block_op(i, 0, 0, 0, sx, 0, (p->var.xres-sx), p->var.yres_virtual, c); pm2fb_block_op(i, 0, 0, 0, 0, p->var.yoffset+sy, sx, p->var.yres-sy, c); } else fbcon_cfb24_clear_margins(conp, p, bottom_only); } static struct display_switch pm2_cfb24 = { fbcon_cfb24_setup, pm2fb_bmove, pm2fb_clear24, fbcon_cfb24_putc, fbcon_cfb24_putcs, fbcon_cfb24_revc, NULL /* cursor() */, NULL /* set_font() */, pm2fb_clear_margins24, FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) }; #endif /* FBCON_HAS_CFB24 */ #ifdef FBCON_HAS_CFB32 static void pm2fb_clear32(struct vc_data* conp, struct display* p, int sy, int sx, int height, int width) { u32 c; sx=sx*fontwidth(p); width=width*fontwidth(p); sy=sy*fontheight(p); height=height*fontheight(p); c=((u32 *)p->dispsw_data)[attr_bgcol_ec(p, conp)]; pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, sy, width, height, c); } static void pm2fb_clear_margins32(struct vc_data* conp, struct display* p, int bottom_only) { u32 c; u32 sx; u32 sy; c = ((u32 *)p->dispsw_data)[attr_bgcol_ec(p, conp)]; sx=conp->vc_cols*fontwidth(p); sy=conp->vc_rows*fontheight(p); if (!bottom_only) pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, 0, (p->var.xres-sx), p->var.yres_virtual, c); pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, 0, p->var.yoffset+sy, sx, p->var.yres-sy, c); } static struct display_switch pm2_cfb32 = { fbcon_cfb32_setup, pm2fb_bmove, pm2fb_clear32, fbcon_cfb32_putc, fbcon_cfb32_putcs, fbcon_cfb32_revc, NULL /* cursor() */, NULL /* set_font() */, pm2fb_clear_margins32, FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) }; #endif /* FBCON_HAS_CFB32 */ /*************************************************************************** * Framebuffer functions ***************************************************************************/ static void pm2fb_detect(void) {} static int pm2fb_encode_fix(struct fb_fix_screeninfo* fix, const void* par, struct fb_info_gen* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; struct pm2fb_par* p=(struct pm2fb_par* )par; strcpy(fix->id, permedia2_name); fix->smem_start=i->regions.p_fb; fix->smem_len=i->regions.fb_size; fix->mmio_start=i->regions.p_regs; fix->mmio_len=PM2_REGS_SIZE; fix->accel=FB_ACCEL_3DLABS_PERMEDIA2; fix->type=FB_TYPE_PACKED_PIXELS; fix->visual=p->depth==8?FB_VISUAL_PSEUDOCOLOR:FB_VISUAL_TRUECOLOR; if (i->current_par_valid) fix->line_length=i->current_par.width*(i->current_par.depth/8); else fix->line_length=0; fix->xpanstep=p->depth==24?8:64/p->depth; fix->ypanstep=1; fix->ywrapstep=0; return 0; } #ifdef PM2FB_MASTER_DEBUG static void pm2fb_display_var(const struct fb_var_screeninfo* var) { printk( KERN_DEBUG "- struct fb_var_screeninfo ---------------------------------------------------\n"); printk( KERN_DEBUG "resolution: %ux%ux%u (virtual %ux%u+%u+%u)\n", var->xres, var->yres, var->bits_per_pixel, var->xres_virtual, var->yres_virtual, var->xoffset, var->yoffset); printk( KERN_DEBUG "color: %c%c " "R(%u,%u,%u), G(%u,%u,%u), B(%u,%u,%u), T(%u,%u,%u)\n", var->grayscale?'G':'C', var->nonstd?'N':'S', var->red.offset, var->red.length, var->red.msb_right, var->green.offset, var->green.length, var->green.msb_right, var->blue.offset, var->blue.length, var->blue.msb_right, var->transp.offset, var->transp.length, var->transp.msb_right); printk( KERN_DEBUG "timings: %ups (%u,%u)-(%u,%u)+%u+%u\n", var->pixclock, var->left_margin, var->upper_margin, var->right_margin, var->lower_margin, var->hsync_len, var->vsync_len); printk( KERN_DEBUG "activate %08x accel_flags %08x sync %08x vmode %08x\n", var->activate, var->accel_flags, var->sync, var->vmode); printk( KERN_DEBUG "------------------------------------------------------------------------------\n"); } #define pm2fb_decode_var pm2fb_wrapped_decode_var #endif static int pm2fb_decode_var(const struct fb_var_screeninfo* var, void* par, struct fb_info_gen* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; struct pm2fb_par p; u32 xres; int data64; memset(&p, 0, sizeof(struct pm2fb_par)); p.width=(var->xres_virtual+7)&~7; p.height=var->yres_virtual; p.depth=(var->bits_per_pixel+7)&~7; p.depth=p.depth>32?32:p.depth; data64=p.depth>8; xres=(var->xres+31)&~31; if (p.width<xres+var->xoffset) p.width=xres+var->xoffset; if (p.height<var->yres+var->yoffset) p.height=var->yres+var->yoffset; if (!partprod(xres)) { DPRINTK("width not supported: %u\n", xres); return -EINVAL; } if (p.width>2047) { DPRINTK("virtual width not supported: %u\n", p.width); return -EINVAL; } if (var->yres<200) { DPRINTK("height not supported: %u\n", (u32 )var->yres); return -EINVAL; } if (p.height<200 || p.height>2047) { DPRINTK("virtual height not supported: %u\n", p.height); return -EINVAL; } if (p.depth>32) { DPRINTK("depth not supported: %u\n", p.depth); return -EINVAL; } if (p.width*p.height*p.depth/8>i->regions.fb_size) { DPRINTK("no memory for screen (%ux%ux%u)\n", p.width, p.height, p.depth); return -EINVAL; } p.pixclock=PICOS2KHZ(var->pixclock); if (p.pixclock>PM2_MAX_PIXCLOCK) { DPRINTK("pixclock too high (%uKHz)\n", p.pixclock); return -EINVAL; } p.hsstart=to3264(var->right_margin, p.depth, data64); p.hsend=p.hsstart+to3264(var->hsync_len, p.depth, data64); p.hbend=p.hsend+to3264(var->left_margin, p.depth, data64); p.htotal=to3264(xres, p.depth, data64)+p.hbend-1; p.vsstart=var->lower_margin?var->lower_margin-1:0; /* FIXME! */ p.vsend=var->lower_margin+var->vsync_len-1; p.vbend=var->lower_margin+var->vsync_len+var->upper_margin; p.vtotal=var->yres+p.vbend-1; p.stride=to3264(p.width, p.depth, 1); p.base=to3264(var->yoffset*xres+var->xoffset, p.depth, 1); if (data64) p.video|=PM2F_DATA_64_ENABLE; if (var->sync & FB_SYNC_HOR_HIGH_ACT) p.video|=PM2F_HSYNC_ACT_HIGH; else p.video|=PM2F_HSYNC_ACT_LOW; if (var->sync & FB_SYNC_VERT_HIGH_ACT) p.video|=PM2F_VSYNC_ACT_HIGH; else p.video|=PM2F_VSYNC_ACT_LOW; if ((var->vmode & FB_VMODE_MASK)==FB_VMODE_INTERLACED) { DPRINTK("interlaced not supported\n"); return -EINVAL; } if ((var->vmode & FB_VMODE_MASK)==FB_VMODE_DOUBLE) p.video|=PM2F_LINE_DOUBLE; if (var->activate==FB_ACTIVATE_NOW) p.video|=PM2F_VIDEO_ENABLE; *((struct pm2fb_par* )par)=p; return 0; } #ifdef PM2FB_MASTER_DEBUG #undef pm2fb_decode_var static int pm2fb_decode_var(const struct fb_var_screeninfo* var, void* par, struct fb_info_gen* info) { int result; result=pm2fb_wrapped_decode_var(var, par, info); pm2fb_display_var(var); return result; } #endif static int pm2fb_encode_var(struct fb_var_screeninfo* var, const void* par, struct fb_info_gen* info) { struct pm2fb_par* p=(struct pm2fb_par* )par; struct fb_var_screeninfo v; u32 base; memset(&v, 0, sizeof(struct fb_var_screeninfo)); v.xres_virtual=p->width; v.yres_virtual=p->height; v.xres=(p->htotal+1)-p->hbend; v.yres=(p->vtotal+1)-p->vbend; v.right_margin=p->hsstart; v.hsync_len=p->hsend-p->hsstart; v.left_margin=p->hbend-p->hsend; v.lower_margin=p->vsstart+1; v.vsync_len=p->vsend-v.lower_margin+1; v.upper_margin=p->vbend-v.lower_margin-v.vsync_len; v.bits_per_pixel=p->depth; if (p->video & PM2F_DATA_64_ENABLE) { v.xres=v.xres<<1; v.right_margin=v.right_margin<<1; v.hsync_len=v.hsync_len<<1; v.left_margin=v.left_margin<<1; } switch (p->depth) { case 8: v.red.length=v.green.length=v.blue.length=8; v.xres=v.xres<<2; v.right_margin=v.right_margin<<2; v.hsync_len=v.hsync_len<<2; v.left_margin=v.left_margin<<2; break; case 16: v.red.offset=11; v.red.length=5; v.green.offset=5; v.green.length=6; v.blue.length=5; v.xres=v.xres<<1; v.right_margin=v.right_margin<<1; v.hsync_len=v.hsync_len<<1; v.left_margin=v.left_margin<<1; break; case 32: v.transp.offset=24; v.red.offset=16; v.green.offset=8; v.red.length=v.green.length=v.blue.length= v.transp.length=8; break; case 24: v.blue.offset=16; v.green.offset=8; v.red.length=v.green.length=v.blue.length=8; v.xres=(v.xres<<2)/3; v.right_margin=(v.right_margin<<2)/3; v.hsync_len=(v.hsync_len<<2)/3; v.left_margin=(v.left_margin<<2)/3; break; } base=from3264(p->base, p->depth, 1); v.xoffset=base%v.xres; v.yoffset=base/v.xres; v.height=v.width=-1; v.pixclock=KHZ2PICOS(p->pixclock); if ((p->video & PM2F_HSYNC_MASK)==PM2F_HSYNC_ACT_HIGH) v.sync|=FB_SYNC_HOR_HIGH_ACT; if ((p->video & PM2F_VSYNC_MASK)==PM2F_VSYNC_ACT_HIGH) v.sync|=FB_SYNC_VERT_HIGH_ACT; if (p->video & PM2F_LINE_DOUBLE) v.vmode=FB_VMODE_DOUBLE; *var=v; return 0; } static void set_user_mode(struct pm2fb_info* i) { memcpy(&i->current_par, &pm2fb_options.user_mode, sizeof(i->current_par)); if (pm2fb_options.flags & OPTF_YPAN) { i->current_par.height=i->regions.fb_size/ (i->current_par.width*i->current_par.depth/8); i->current_par.height=MIN(i->current_par.height,2047); i->current_par.height=MAX(i->current_par.height, pm2fb_options.user_mode.height); } } static void pm2fb_get_par(void* par, struct fb_info_gen* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; if (!i->current_par_valid) { set_user_mode(i); pm2fb_reset(i); set_screen(i, &i->current_par); i->current_par_valid=1; } *((struct pm2fb_par* )par)=i->current_par; } static void pm2fb_set_par(const void* par, struct fb_info_gen* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; struct pm2fb_par* p; p=(struct pm2fb_par* )par; if (i->current_par_valid) { i->current_par.base=p->base; if (!memcmp(p, &i->current_par, sizeof(struct pm2fb_par))) { WAIT_FIFO(i, 1); pm2_WR(i, PM2R_SCREEN_BASE, p->base); return; } } set_screen(i, p); i->current_par=*p; i->current_par_valid=1; } static int pm2fb_getcolreg(unsigned regno, unsigned* red, unsigned* green, unsigned* blue, unsigned* transp, struct fb_info* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; if (regno<256) { *red=i->palette[regno].red<<8|i->palette[regno].red; *green=i->palette[regno].green<<8|i->palette[regno].green; *blue=i->palette[regno].blue<<8|i->palette[regno].blue; *transp=i->palette[regno].transp<<8|i->palette[regno].transp; } return regno>255; } static int pm2fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; if (regno<16) { switch (i->current_par.depth) { #ifdef FBCON_HAS_CFB8 case 8: break; #endif #ifdef FBCON_HAS_CFB16 case 16: i->cmap.cmap16[regno]= ((u32 )red & 0xf800) | (((u32 )green & 0xfc00)>>5) | (((u32 )blue & 0xf800)>>11); break; #endif #ifdef FBCON_HAS_CFB24 case 24: i->cmap.cmap24[regno]= (((u32 )blue & 0xff00) << 8) | ((u32 )green & 0xff00) | (((u32 )red & 0xff00) >> 8); break; #endif #ifdef FBCON_HAS_CFB32 case 32: i->cmap.cmap32[regno]= (((u32 )transp & 0xff00) << 16) | (((u32 )red & 0xff00) << 8) | (((u32 )green & 0xff00)) | (((u32 )blue & 0xff00) >> 8); break; #endif default: DPRINTK("bad depth %u\n", i->current_par.depth); break; } } if (regno<256) { i->palette[regno].red=red >> 8; i->palette[regno].green=green >> 8; i->palette[regno].blue=blue >> 8; i->palette[regno].transp=transp >> 8; if (i->current_par.depth==8) set_color(i, regno, red>>8, green>>8, blue>>8); } return regno>255; } static void pm2fb_set_disp(const void* par, struct display* disp, struct fb_info_gen* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; u32 flags; u32 depth; save_flags(flags); cli(); disp->screen_base=i->regions.v_fb; switch (depth=((struct pm2fb_par* )par)->depth) { #ifdef FBCON_HAS_CFB8 case 8: disp->dispsw=&pm2_cfb8; break; #endif #ifdef FBCON_HAS_CFB16 case 16: disp->dispsw=&pm2_cfb16; disp->dispsw_data=i->cmap.cmap16; break; #endif #ifdef FBCON_HAS_CFB24 case 24: disp->dispsw=&pm2_cfb24; disp->dispsw_data=i->cmap.cmap24; break; #endif #ifdef FBCON_HAS_CFB32 case 32: disp->dispsw=&pm2_cfb32; disp->dispsw_data=i->cmap.cmap32; break; #endif default: disp->dispsw=&fbcon_dummy; break; } restore_flags(flags); } static int pm2fb_open(struct fb_info* info, int user) { MOD_INC_USE_COUNT; return 0; } static int pm2fb_release(struct fb_info* info, int user) { MOD_DEC_USE_COUNT; return 0; } /*************************************************************************** * Begin of public functions ***************************************************************************/ void pm2fb_cleanup(struct fb_info* info) { struct pm2fb_info* i=(struct pm2fb_info* )info; unregister_framebuffer(info); pm2fb_reset(i); /* FIXME UNMAP()??? */ if (board_table[i->board].cleanup) board_table[i->board].cleanup(i); } __initfunc(void pm2fb_init(void)) { memset(&fb_info, 0, sizeof(fb_info)); if (!pm2fb_conf(&fb_info)) return; pm2fb_reset(&fb_info); fb_info.disp.scrollmode=SCROLL_YNOMOVE; fb_info.gen.parsize=sizeof(struct pm2fb_par); fb_info.gen.fbhw=&pm2fb_hwswitch; strcpy(fb_info.gen.info.modename, permedia2_name); fb_info.gen.info.flags=FBINFO_FLAG_DEFAULT; fb_info.gen.info.fbops=&pm2fb_ops; fb_info.gen.info.disp=&fb_info.disp; strcpy(fb_info.gen.info.fontname, pm2fb_options.font); fb_info.gen.info.switch_con=&fbgen_switch; fb_info.gen.info.updatevar=&fbgen_update_var; fb_info.gen.info.blank=&fbgen_blank; fbgen_get_var(&fb_info.disp.var, -1, &fb_info.gen.info); fbgen_do_set_var(&fb_info.disp.var, 1, &fb_info.gen); fbgen_set_disp(-1, &fb_info.gen); fbgen_install_cmap(0, &fb_info.gen); if (register_framebuffer(&fb_info.gen.info)<0) { printk("pm2fb: unable to register.\n"); return; } printk("fb%d: %s (%s), using %uK of video memory.\n", GET_FB_IDX(fb_info.gen.info.node), board_table[fb_info.board].name, permedia2_name, (u32 )(fb_info.regions.fb_size>>10)); MOD_INC_USE_COUNT; } __initfunc(void pm2fb_mode_setup(char* options)) { int i; for (i=0; user_mode[i].name[0] && strcmp(options, user_mode[i].name); i++); if (user_mode[i].name[0]) memcpy(&pm2fb_options.user_mode, &user_mode[i].par, sizeof(pm2fb_options.user_mode)); } __initfunc(void pm2fb_font_setup(char* options)) { strncpy(pm2fb_options.font, options, sizeof(pm2fb_options.font)); pm2fb_options.font[sizeof(pm2fb_options.font)-1]='\0'; } __initfunc(void pm2fb_setup(char* options, int* ints)) { char* next; while (options) { if ((next=strchr(options, ','))) *(next++)='\0'; if (!strncmp(options, "font:", 5)) pm2fb_font_setup(options+5); else if (!strncmp(options, "mode:", 5)) pm2fb_mode_setup(options+5); else if (!strcmp(options, "ypan")) pm2fb_options.flags |= OPTF_YPAN; else if (!strcmp(options, "oldmem")) pm2fb_options.flags |= OPTF_OLD_MEM; else if (!strcmp(options, "virtual")) pm2fb_options.flags |= OPTF_VIRTUAL; options=next; } } /*************************************************************************** * Begin of module functions ***************************************************************************/ #ifdef MODULE int init_module(void) { pm2fb_init(); } void cleanup_module(void) { pm2fb_cleanup(); } #endif /* MODULE */ /*************************************************************************** * That's all folks! ***************************************************************************/ |