Module Name: src Committed By: macallan Date: Sat Jul 29 03:29:49 UTC 2017
Modified Files: src/sys/dev/sbus: mgx.c mgxreg.h Log Message: - use hardware to draw bitmap fonts - while there enable font loading etc. To generate a diff of this commit: cvs rdiff -u -r1.9 -r1.10 src/sys/dev/sbus/mgx.c cvs rdiff -u -r1.4 -r1.5 src/sys/dev/sbus/mgxreg.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/sbus/mgx.c diff -u src/sys/dev/sbus/mgx.c:1.9 src/sys/dev/sbus/mgx.c:1.10 --- src/sys/dev/sbus/mgx.c:1.9 Sat May 7 15:32:08 2016 +++ src/sys/dev/sbus/mgx.c Sat Jul 29 03:29:49 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: mgx.c,v 1.9 2016/05/07 15:32:08 macallan Exp $ */ +/* $NetBSD: mgx.c,v 1.10 2017/07/29 03:29:49 macallan Exp $ */ /*- * Copyright (c) 2014 Michael Lorenz @@ -29,7 +29,7 @@ /* a console driver for the SSB 4096V-MGX graphics card */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: mgx.c,v 1.9 2016/05/07 15:32:08 macallan Exp $"); +__KERNEL_RCSID(0, "$NetBSD: mgx.c,v 1.10 2017/07/29 03:29:49 macallan Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -39,6 +39,7 @@ __KERNEL_RCSID(0, "$NetBSD: mgx.c,v 1.9 #include <sys/conf.h> #include <sys/kmem.h> #include <sys/kauth.h> +#include <sys/atomic.h> #include <sys/bus.h> #include <machine/autoconf.h> @@ -85,7 +86,7 @@ struct mgx_softc { u_char sc_cmap_blue[256]; int sc_cursor_x, sc_cursor_y; int sc_hotspot_x, sc_hotspot_y; - int sc_video; + int sc_video, sc_buf; void (*sc_putchar)(void *, int, int, u_int, long); struct vcons_screen sc_console_screen; struct wsscreen_descr sc_defaultscreen_descr; @@ -114,7 +115,8 @@ static int mgx_wait_fifo(struct mgx_soft static void mgx_bitblt(void *, int, int, int, int, int, int, int); static void mgx_rectfill(void *, int, int, int, int, long); -static void mgx_putchar(void *, int, int, u_int, long); +static void mgx_putchar_aa(void *, int, int, u_int, long); +static void mgx_putchar_mono(void *, int, int, u_int, long); static void mgx_cursor(void *, int, int, int); static void mgx_copycols(void *, int, int, int, int); static void mgx_erasecols(void *, int, int, int, long); @@ -295,7 +297,8 @@ mgx_attach(device_t parent, device_t sel 0, 0, NULL, 8, 16, - WSSCREEN_WSCOLORS | WSSCREEN_HILIT, + WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | + WSSCREEN_RESIZE, NULL }; @@ -315,6 +318,8 @@ mgx_attach(device_t parent, device_t sel vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, &mgx_accessops); sc->vd.init_screen = mgx_init_screen; + sc->vd.show_screen_cookie = &sc->sc_gc; + sc->vd.show_screen_cb = glyphcache_adapt; vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; @@ -331,6 +336,10 @@ mgx_attach(device_t parent, device_t sel sc->sc_gc.gc_blitcookie = sc; sc->sc_gc.gc_rop = ROP_SRC; + /* + * leave some room between visible screen and glyph cache for upload + * buffers used by putchar_mono() + */ glyphcache_init(&sc->sc_gc, sc->sc_height + 5, (0x400000 / sc->sc_stride) - sc->sc_height - 5, @@ -535,6 +544,7 @@ mgx_setup(struct mgx_softc *sc, int dept if (mgx_wait_fifo(sc, FIFO_AT24) == 0) return; + sc->sc_buf = 0; /* read name from sequencer */ for (i = 0; i < 8; i++) { mgx_write_vga(sc, SEQ_INDEX, i + 0x11); @@ -597,9 +607,12 @@ mgx_setup(struct mgx_softc *sc, int dept default: return; /* not supported */ } + mgx_wait_fifo(sc, 4); mgx_write_1(sc, ATR_CLIP_CONTROL, 0); mgx_write_1(sc, ATR_BYTEMASK, 0xff); mgx_write_1(sc, ATR_PIXEL, reg); + mgx_write_4(sc, ATR_OFFSET, 0); + mgx_wait_fifo(sc, 4); mgx_write_vga(sc, CRTC_INDEX, 0x13); mgx_write_vga(sc, CRTC_DATA, stride & 0xff); mgx_write_vga(sc, CRTC_INDEX, 0x1c); @@ -609,6 +622,7 @@ mgx_setup(struct mgx_softc *sc, int dept if (depth != MGX_DEPTH) mgx_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 0); + mgx_wait_fifo(sc, 4); /* initialize hardware cursor stuff */ mgx_write_2(sc, ATR_CURSOR_ADDRESS, (sc->sc_fbsize - 1024) >> 10); mgx_write_1(sc, ATR_CURSOR_ENABLE, 0); @@ -685,7 +699,7 @@ mgx_rectfill(void *cookie, int x, int y, } static void -mgx_putchar(void *cookie, int row, int col, u_int c, long attr) +mgx_putchar_aa(void *cookie, int row, int col, u_int c, long attr) { struct rasops_info *ri = cookie; struct wsdisplay_font *font = PICK_FONT(ri, c); @@ -709,6 +723,7 @@ mgx_putchar(void *cookie, int row, int c mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); return; } + rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); if (rv != GC_OK) { volatile uint32_t junk; @@ -730,6 +745,74 @@ mgx_putchar(void *cookie, int row, int c } static void +mgx_putchar_mono(void *cookie, int row, int col, u_int c, long attr) +{ + struct rasops_info *ri = cookie; + struct wsdisplay_font *font = PICK_FONT(ri, c); + struct vcons_screen *scr = ri->ri_hw; + struct mgx_softc *sc = scr->scr_cookie; + void *s, *d; + uint32_t fg, bg, scratch = (sc->sc_stride * sc->sc_height + 31) & ~31; + int x, y, wi, he; + + wi = font->fontwidth; + he = font->fontheight; + + bg = (attr >> 16) & 0xf; + fg = (attr >> 24) & 0xf; + + x = ri->ri_xorigin + col * wi; + y = ri->ri_yorigin + row * he; + + if (c == 0x20) { + mgx_rectfill(sc, x, y, wi, he, bg); + if (attr & 1) + mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); + return; + } + + /* + * do hardware colour expansion + * there has to be an upload port somewhere, sinde there are host blit + * commands, but it's not used or mentioned in the xf86-video-apm driver + * so for now we use the vram-to-vram blits to draw characters. + * Use rotating buffers since commands can be queued and just because + * the blitter can accept another command that does not mean that the + * previous command(s) have finished, so make sure we don't touch the + * buffers used for the last few operations + * Align everything to 64bit, one for memcpy and also for the chip - + * I'm not sure what the exact alignment requirements are but mono + * bitmaps need at least 16bit. + */ + sc->sc_buf = (sc->sc_buf + 1) & 3; /* rotate through 4 buffers */ + scratch += sc->sc_buf * ((ri->ri_fontscale + 31) & ~31); + s = WSFONT_GLYPH(c, font); + d = (uint8_t *)sc->sc_fbaddr + scratch; + memcpy(d, s, ri->ri_fontscale); + /* + * try to make sure the glyph made it into vram before kicking the + * blitter + */ + membar_sync(); + volatile uint32_t junk = *(volatile uint32_t *)sc->sc_fbaddr; + __USE(junk); + mgx_wait_fifo(sc, 3); + mgx_write_4(sc, ATR_FG, ri->ri_devcmap[fg]); + mgx_write_4(sc, ATR_BG, ri->ri_devcmap[bg]); + mgx_write_1(sc, ATR_ROP, ROP_SRC); + mgx_wait_fifo(sc, 5); + mgx_write_4(sc, ATR_DEC, sc->sc_dec | (DEC_COMMAND_BLT << DEC_COMMAND_SHIFT) | + (DEC_START_DIMX << DEC_START_SHIFT) | + DEC_SRC_LINEAR | DEC_SRC_CONTIGUOUS | DEC_MONOCHROME); + mgx_write_4(sc, ATR_SRC_XY, ((scratch & 0xfff000) << 4) | (scratch & 0xfff)); + mgx_write_4(sc, ATR_DST_XY, (y << 16) | x); + mgx_write_4(sc, ATR_WH, (he << 16) | wi); + + if (attr & 1) + mgx_rectfill(sc, x, y + he - 2, wi, 1, fg); +} + +static void mgx_cursor(void *cookie, int on, int row, int col) { struct rasops_info *ri = cookie; @@ -848,6 +931,7 @@ mgx_init_screen(void *cookie, struct vco #ifdef MGX_NOACCEL scr->scr_flags |= VCONS_DONT_READ; #endif + scr->scr_flags |= VCONS_LOADFONT; ri->ri_rnum = 8; ri->ri_rpos = 0; @@ -859,9 +943,8 @@ mgx_init_screen(void *cookie, struct vco ri->ri_bits = sc->sc_fbaddr; rasops_init(ri, 0, 0); - sc->sc_putchar = ri->ri_ops.putchar; - ri->ri_caps = WSSCREEN_REVERSE | WSSCREEN_WSCOLORS; + ri->ri_caps = WSSCREEN_REVERSE | WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE; rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, ri->ri_width / ri->ri_font->fontwidth); @@ -872,7 +955,12 @@ mgx_init_screen(void *cookie, struct vco if (0) #endif { - ri->ri_ops.putchar = mgx_putchar; + if (FONT_IS_ALPHA(ri->ri_font)) { + sc->sc_putchar = ri->ri_ops.putchar; + ri->ri_ops.putchar = mgx_putchar_aa; + } else { + ri->ri_ops.putchar = mgx_putchar_mono; + } ri->ri_ops.cursor = mgx_cursor; ri->ri_ops.copyrows = mgx_copyrows; ri->ri_ops.eraserows = mgx_eraserows; Index: src/sys/dev/sbus/mgxreg.h diff -u src/sys/dev/sbus/mgxreg.h:1.4 src/sys/dev/sbus/mgxreg.h:1.5 --- src/sys/dev/sbus/mgxreg.h:1.4 Thu Feb 11 20:53:06 2016 +++ src/sys/dev/sbus/mgxreg.h Sat Jul 29 03:29:49 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: mgxreg.h,v 1.4 2016/02/11 20:53:06 macallan Exp $ */ +/* $NetBSD: mgxreg.h,v 1.5 2017/07/29 03:29:49 macallan Exp $ */ /* register definitions based on OpenBSD's atxxreg.h: */ @@ -72,7 +72,7 @@ #define ATR_PATTERN2 0x004c #define ATR_SRC_X 0x0050 #define ATR_SRC_Y 0x0052 -#define ATR_SRC_XY 0x0050 +#define ATR_SRC_XY 0x0050 /* pointer in vram if DEC_SRC_LINEAR */ #define ATR_DST_X 0x0054 #define ATR_DST_Y 0x0056 #define ATR_DST_XY 0x0054