diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2001-03-09 20:33:35 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2001-03-09 20:33:35 +0000 |
commit | 116674acc97ba75a720329996877077d988443a2 (patch) | |
tree | 6a3f2ff0b612ae2ee8a3f3509370c9e6333a53b3 /drivers/video/riva/accel.c | |
parent | 71118c319fcae4a138f16e35b4f7e0a6d53ce2ca (diff) |
Merge with Linux 2.4.2.
Diffstat (limited to 'drivers/video/riva/accel.c')
-rw-r--r-- | drivers/video/riva/accel.c | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/drivers/video/riva/accel.c b/drivers/video/riva/accel.c new file mode 100644 index 000000000..f3e061923 --- /dev/null +++ b/drivers/video/riva/accel.c @@ -0,0 +1,424 @@ +/* + * linux/drivers/video/accel.c - nVidia RIVA 128/TNT/TNT2 fb driver + * + * Copyright 2000 Jindrich Makovicka, Ani Joshi + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#include "rivafb.h" + +/* acceleration routines */ + +inline void wait_for_idle(struct rivafb_info *rinfo) +{ + while (rinfo->riva.Busy(&rinfo->riva)); +} + +/* set copy ROP, no mask */ +static void riva_setup_ROP(struct rivafb_info *rinfo) +{ + RIVA_FIFO_FREE(rinfo->riva, Patt, 5); + rinfo->riva.Patt->Shape = 0; + rinfo->riva.Patt->Color0 = 0xffffffff; + rinfo->riva.Patt->Color1 = 0xffffffff; + rinfo->riva.Patt->Monochrome[0] = 0xffffffff; + rinfo->riva.Patt->Monochrome[1] = 0xffffffff; + + RIVA_FIFO_FREE(rinfo->riva, Rop, 1); + rinfo->riva.Rop->Rop3 = 0xCC; +} + +void riva_setup_accel(struct rivafb_info *rinfo) +{ + RIVA_FIFO_FREE(rinfo->riva, Clip, 2); + rinfo->riva.Clip->TopLeft = 0x0; + rinfo->riva.Clip->WidthHeight = 0x80008000; + riva_setup_ROP(rinfo); + wait_for_idle(rinfo); +} + +static void riva_rectfill(struct rivafb_info *rinfo, int sy, + int sx, int height, int width, u_int color) +{ + RIVA_FIFO_FREE(rinfo->riva, Bitmap, 1); + rinfo->riva.Bitmap->Color1A = color; + + RIVA_FIFO_FREE(rinfo->riva, Bitmap, 2); + rinfo->riva.Bitmap->UnclippedRectangle[0].TopLeft = (sx << 16) | sy; + rinfo->riva.Bitmap->UnclippedRectangle[0].WidthHeight = (width << 16) | height; +} + +static void fbcon_riva_bmove(struct display *p, int sy, int sx, int dy, int dx, + int height, int width) +{ + struct rivafb_info *rinfo = (struct rivafb_info *)(p->fb_info); + + sx *= fontwidth(p); + sy *= fontheight(p); + dx *= fontwidth(p); + dy *= fontheight(p); + width *= fontwidth(p); + height *= fontheight(p); + + RIVA_FIFO_FREE(rinfo->riva, Blt, 3); + rinfo->riva.Blt->TopLeftSrc = (sy << 16) | sx; + rinfo->riva.Blt->TopLeftDst = (dy << 16) | dx; + rinfo->riva.Blt->WidthHeight = (height << 16) | width; +} + +static void riva_clear_margins(struct vc_data *conp, struct display *p, + int bottom_only, u32 bgx) +{ + struct rivafb_info *rinfo = (struct rivafb_info *)(p->fb_info); + + unsigned int right_start = conp->vc_cols*fontwidth(p); + unsigned int bottom_start = conp->vc_rows*fontheight(p); + unsigned int right_width, bottom_width; + + if (!bottom_only && (right_width = p->var.xres - right_start)) + riva_rectfill(rinfo, 0, right_start, p->var.yres_virtual, + right_width, bgx); + if ((bottom_width = p->var.yres - bottom_start)) + riva_rectfill(rinfo, p->var.yoffset + bottom_start, 0, + bottom_width, right_start, bgx); +} + +static u8 byte_rev[256] = { + 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, + 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, + 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, + 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, + 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, + 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, + 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, + 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, + 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, + 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, + 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, + 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, + 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, + 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, + 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, + 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, +}; + +static inline void fbcon_reverse_order(u32 *l) +{ + u8 *a = (u8 *)l; + *a++ = byte_rev[*a]; +/* *a++ = byte_rev[*a]; + *a++ = byte_rev[*a];*/ + *a = byte_rev[*a]; +} + +static void fbcon_riva_writechr(struct vc_data *conp, struct display *p, + int c, int fgx, int bgx, int yy, int xx) +{ + u8 *cdat; + struct rivafb_info *rinfo = (struct rivafb_info *)(p->fb_info); + int w, h; + volatile u32 *d; + u32 cdat2; + int i, j, cnt; + + w = fontwidth(p); + h = fontheight(p); + + if (w <= 8) + cdat = p->fontdata + (c & p->charmask) * h; + else + cdat = p->fontdata + ((c & p->charmask) * h << 1); + + RIVA_FIFO_FREE(rinfo->riva, Bitmap, 7); + rinfo->riva.Bitmap->ClipE.TopLeft = (yy << 16) | (xx & 0xFFFF); + rinfo->riva.Bitmap->ClipE.BottomRight = ((yy+h) << 16) | ((xx+w) & 0xffff); + rinfo->riva.Bitmap->Color0E = bgx; + rinfo->riva.Bitmap->Color1E = fgx; + rinfo->riva.Bitmap->WidthHeightInE = (h << 16) | 32; + rinfo->riva.Bitmap->WidthHeightOutE = (h << 16) | 32; + rinfo->riva.Bitmap->PointE = (yy << 16) | (xx & 0xFFFF); + + d = &rinfo->riva.Bitmap->MonochromeData01E; + for (i = h; i > 0; i-=16) { + if (i >= 16) + cnt = 16; + else + cnt = i; + RIVA_FIFO_FREE(rinfo->riva, Bitmap, cnt); + for (j = 0; j < cnt; j++) { + if (w <= 8) + cdat2 = *cdat++; + else + cdat2 = *((u16*)cdat)++; + fbcon_reverse_order(&cdat2); + d[j] = cdat2; + } + } +} + +#ifdef FBCON_HAS_CFB8 +void fbcon_riva8_setup(struct display *p) +{ + p->next_line = p->line_length ? p->line_length : p->var.xres_virtual; + p->next_plane = 0; +} + +static void fbcon_riva8_clear(struct vc_data *conp, struct display *p, int sy, + int sx, int height, int width) +{ + u32 bgx; + + struct rivafb_info *rinfo = (struct rivafb_info *)(p->fb_info); + + bgx = attr_bgcol_ec(p, conp); + + sx *= fontwidth(p); + sy *= fontheight(p); + width *= fontwidth(p); + height *= fontheight(p); + + riva_rectfill(rinfo, sy, sx, height, width, bgx); +} + +static void fbcon_riva8_putc(struct vc_data *conp, struct display *p, int c, + int yy, int xx) +{ + u32 fgx,bgx; + + fgx = attr_fgcol(p,c); + bgx = attr_bgcol(p,c); + + xx *= fontwidth(p); + yy *= fontheight(p); + + fbcon_riva_writechr(conp, p, c, fgx, bgx, yy, xx); +} + +static void fbcon_riva8_putcs(struct vc_data *conp, struct display *p, + const unsigned short *s, int count, int yy, + int xx) +{ + u16 c; + u32 fgx,bgx; + + xx *= fontwidth(p); + yy *= fontheight(p); + + while (count--) { + c = scr_readw(s++); + fgx = attr_fgcol(p,c); + bgx = attr_bgcol(p,c); + fbcon_riva_writechr(conp, p, c, fgx, bgx, yy, xx); + xx += fontwidth(p); + } +} + +static void fbcon_riva8_revc(struct display *p, int xx, int yy) +{ + struct rivafb_info *rinfo = (struct rivafb_info *) (p->fb_info); + + xx *= fontwidth(p); + yy *= fontheight(p); + + RIVA_FIFO_FREE(rinfo->riva, Rop, 1); + rinfo->riva.Rop->Rop3 = 0x66; // XOR + riva_rectfill(rinfo, yy, xx, fontheight(p), fontwidth(p), 0x0f); + RIVA_FIFO_FREE(rinfo->riva, Rop, 1); + rinfo->riva.Rop->Rop3 = 0xCC; // back to COPY +} + +static void fbcon_riva8_clear_margins(struct vc_data *conp, struct display *p, + int bottom_only) +{ + riva_clear_margins(conp, p, bottom_only, attr_bgcol_ec(p, conp)); +} + +struct display_switch fbcon_riva8 = { + setup: fbcon_riva8_setup, + bmove: fbcon_riva_bmove, + clear: fbcon_riva8_clear, + putc: fbcon_riva8_putc, + putcs: fbcon_riva8_putcs, + revc: fbcon_riva8_revc, + clear_margins: fbcon_riva8_clear_margins, + fontwidthmask: FONTWIDTHRANGE(4, 16) +}; +#endif + +#if defined(FBCON_HAS_CFB16) || defined(FBCON_HAS_CFB32) +static void fbcon_riva1632_revc(struct display *p, int xx, int yy) +{ + struct rivafb_info *rinfo = (struct rivafb_info *) (p->fb_info); + + xx *= fontwidth(p); + yy *= fontheight(p); + + RIVA_FIFO_FREE(rinfo->riva, Rop, 1); + rinfo->riva.Rop->Rop3 = 0x66; // XOR + riva_rectfill(rinfo, yy, xx, fontheight(p), fontwidth(p), 0xffffffff); + RIVA_FIFO_FREE(rinfo->riva, Rop, 1); + rinfo->riva.Rop->Rop3 = 0xCC; // back to COPY +} +#endif + +#ifdef FBCON_HAS_CFB16 +void fbcon_riva16_setup(struct display *p) +{ + p->next_line = p->line_length ? p->line_length : p->var.xres_virtual<<1; + p->next_plane = 0; +} + +static void fbcon_riva16_clear(struct vc_data *conp, struct display *p, int sy, + int sx, int height, int width) +{ + u32 bgx; + + struct rivafb_info *rinfo = (struct rivafb_info *)(p->fb_info); + + bgx = ((u_int16_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)]; + + sx *= fontwidth(p); + sy *= fontheight(p); + width *= fontwidth(p); + height *= fontheight(p); + + riva_rectfill(rinfo, sy, sx, height, width, bgx); +} + +static inline void convert_bgcolor_16(u32 *col) +{ + *col = ((*col & 0x00007C00) << 9) + | ((*col & 0x000003E0) << 6) + | ((*col & 0x0000001F) << 3) + | 0xFF000000; +} + +static void fbcon_riva16_putc(struct vc_data *conp, struct display *p, int c, + int yy, int xx) +{ + u32 fgx,bgx; + + fgx = ((u16 *)p->dispsw_data)[attr_fgcol(p,c)]; + bgx = ((u16 *)p->dispsw_data)[attr_bgcol(p,c)]; + if (p->var.green.length == 6) + convert_bgcolor_16(&bgx); + xx *= fontwidth(p); + yy *= fontheight(p); + + fbcon_riva_writechr(conp, p, c, fgx, bgx, yy, xx); +} + +static void fbcon_riva16_putcs(struct vc_data *conp, struct display *p, + const unsigned short *s, int count, int yy, + int xx) +{ + u16 c; + u32 fgx,bgx; + + xx *= fontwidth(p); + yy *= fontheight(p); + + while (count--) { + c = scr_readw(s++); + fgx = ((u16 *)p->dispsw_data)[attr_fgcol(p,c)]; + bgx = ((u16 *)p->dispsw_data)[attr_bgcol(p,c)]; + if (p->var.green.length == 6) + convert_bgcolor_16(&bgx); + fbcon_riva_writechr(conp, p, c, fgx, bgx, yy, xx); + xx += fontwidth(p); + } +} + +static void fbcon_riva16_clear_margins(struct vc_data *conp, struct display *p, + int bottom_only) +{ + riva_clear_margins(conp, p, bottom_only, ((u16 *)p->dispsw_data)[attr_bgcol_ec(p, conp)]); +} + +struct display_switch fbcon_riva16 = { + setup: fbcon_riva16_setup, + bmove: fbcon_riva_bmove, + clear: fbcon_riva16_clear, + putc: fbcon_riva16_putc, + putcs: fbcon_riva16_putcs, + revc: fbcon_riva1632_revc, + clear_margins: fbcon_riva16_clear_margins, + fontwidthmask: FONTWIDTHRANGE(4, 16) +}; +#endif + +#ifdef FBCON_HAS_CFB32 +void fbcon_riva32_setup(struct display *p) +{ + p->next_line = p->line_length ? p->line_length : p->var.xres_virtual<<2; + p->next_plane = 0; +} + +static void fbcon_riva32_clear(struct vc_data *conp, struct display *p, int sy, + int sx, int height, int width) +{ + u32 bgx; + + struct rivafb_info *rinfo = (struct rivafb_info *)(p->fb_info); + + bgx = ((u_int32_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)]; + + sx *= fontwidth(p); + sy *= fontheight(p); + width *= fontwidth(p); + height *= fontheight(p); + + riva_rectfill(rinfo, sy, sx, height, width, bgx); +} + +static void fbcon_riva32_putc(struct vc_data *conp, struct display *p, int c, + int yy, int xx) +{ + u32 fgx,bgx; + + fgx = ((u32 *)p->dispsw_data)[attr_fgcol(p,c)]; + bgx = ((u32 *)p->dispsw_data)[attr_bgcol(p,c)]; + xx *= fontwidth(p); + yy *= fontheight(p); + fbcon_riva_writechr(conp, p, c, fgx, bgx, yy, xx); +} + +static void fbcon_riva32_putcs(struct vc_data *conp, struct display *p, + const unsigned short *s, int count, int yy, + int xx) +{ + u16 c; + u32 fgx,bgx; + + xx *= fontwidth(p); + yy *= fontheight(p); + + while (count--) { + c = scr_readw(s++); + fgx = ((u32 *)p->dispsw_data)[attr_fgcol(p,c)]; + bgx = ((u32 *)p->dispsw_data)[attr_bgcol(p,c)]; + fbcon_riva_writechr(conp, p, c, fgx, bgx, yy, xx); + xx += fontwidth(p); + } +} + +static void fbcon_riva32_clear_margins(struct vc_data *conp, struct display *p, + int bottom_only) +{ + riva_clear_margins(conp, p, bottom_only, ((u32 *)p->dispsw_data)[attr_bgcol_ec(p, conp)]); +} + +struct display_switch fbcon_riva32 = { + setup: fbcon_riva32_setup, + bmove: fbcon_riva_bmove, + clear: fbcon_riva32_clear, + putc: fbcon_riva32_putc, + putcs: fbcon_riva32_putcs, + revc: fbcon_riva1632_revc, + clear_margins: fbcon_riva32_clear_margins, + fontwidthmask: FONTWIDTHRANGE(4, 16) +}; +#endif |