/* $NetBSD: r128fb.c,v 1.45 2022/09/25 17:52:25 thorpej Exp $ */ /* * Copyright (c) 2007, 2012 Michael Lorenz * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * A console driver for ATI Rage 128 graphics controllers * tested on macppc only so far */ #include __KERNEL_RCSID(0, "$NetBSD: r128fb.c,v 1.45 2022/09/25 17:52:25 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "opt_r128fb.h" #include "opt_vcons.h" #ifdef R128FB_DEBUG #define DPRINTF printf #else #define DPRINTF while(0) printf #endif struct r128fb_softc { device_t sc_dev; pci_chipset_tag_t sc_pc; pcitag_t sc_pcitag; bus_space_tag_t sc_memt; bus_space_tag_t sc_iot; bus_space_handle_t sc_regh; bus_addr_t sc_fb, sc_reg; bus_size_t sc_fbsize, sc_regsize; int sc_width, sc_height, sc_depth, sc_stride; int sc_locked, sc_have_backlight, sc_bl_level, sc_bl_on; struct vcons_screen sc_console_screen; struct wsscreen_descr sc_defaultscreen_descr; const struct wsscreen_descr *sc_screens[1]; struct wsscreen_list sc_screenlist; struct vcons_data vd; int sc_mode; u_char sc_cmap_red[256]; u_char sc_cmap_green[256]; u_char sc_cmap_blue[256]; /* engine stuff */ uint32_t sc_master_cntl; glyphcache sc_gc; }; static int r128fb_match(device_t, cfdata_t, void *); static void r128fb_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(r128fb, sizeof(struct r128fb_softc), r128fb_match, r128fb_attach, NULL, NULL); static int r128fb_ioctl(void *, void *, u_long, void *, int, struct lwp *); static paddr_t r128fb_mmap(void *, void *, off_t, int); static void r128fb_init_screen(void *, struct vcons_screen *, int, long *); static int r128fb_putcmap(struct r128fb_softc *, struct wsdisplay_cmap *); static int r128fb_getcmap(struct r128fb_softc *, struct wsdisplay_cmap *); static void r128fb_restore_palette(struct r128fb_softc *); static int r128fb_putpalreg(struct r128fb_softc *, uint8_t, uint8_t, uint8_t, uint8_t); static void r128fb_init(struct r128fb_softc *); static void r128fb_flush_engine(struct r128fb_softc *); static void r128fb_rectfill(struct r128fb_softc *, int, int, int, int, uint32_t); static void r128fb_bitblt(void *, int, int, int, int, int, int, int); static void r128fb_cursor(void *, int, int, int); static void r128fb_putchar(void *, int, int, u_int, long); static void r128fb_putchar_aa(void *, int, int, u_int, long); static void r128fb_copycols(void *, int, int, int, int); static void r128fb_erasecols(void *, int, int, int, long); static void r128fb_copyrows(void *, int, int, int); static void r128fb_eraserows(void *, int, int, long); static void r128fb_brightness_up(device_t); static void r128fb_brightness_down(device_t); /* set backlight level */ static void r128fb_set_backlight(struct r128fb_softc *, int); /* turn backlight on and off without messing with the level */ static void r128fb_switch_backlight(struct r128fb_softc *, int); struct wsdisplay_accessops r128fb_accessops = { r128fb_ioctl, r128fb_mmap, NULL, /* alloc_screen */ NULL, /* free_screen */ NULL, /* show_screen */ NULL, /* load_font */ NULL, /* pollc */ NULL /* scroll */ }; static inline void r128fb_wait(struct r128fb_softc *sc, int slots) { uint32_t reg; do { reg = (bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK); } while (reg <= slots); } static void r128fb_flush_engine(struct r128fb_softc *sc) { uint32_t reg; reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT); reg |= R128_PC_FLUSH_ALL; bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT, reg); do { reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT); } while (reg & R128_PC_BUSY); } static int r128fb_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = (struct pci_attach_args *)aux; if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) return 0; if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI) return 0; /* only cards tested on so far - likely need a list */ if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE1AGP4XT) || (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE3AGP4XT) || (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGEGLPCI) || (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP)) return 100; return (0); } static void r128fb_attach(device_t parent, device_t self, void *aux) { struct r128fb_softc *sc = device_private(self); struct pci_attach_args *pa = aux; struct rasops_info *ri; bus_space_tag_t tag; struct wsemuldisplaydev_attach_args aa; prop_dictionary_t dict; unsigned long defattr; bool is_console = FALSE; int i, j; uint32_t reg, flags; uint8_t cmap[768]; sc->sc_pc = pa->pa_pc; sc->sc_pcitag = pa->pa_tag; sc->sc_memt = pa->pa_memt; sc->sc_iot = pa->pa_iot; sc->sc_dev = self; pci_aprint_devinfo(pa, NULL); /* fill in parameters from properties */ dict = device_properties(self); if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { aprint_error("%s: no width property\n", device_xname(self)); return; } if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { aprint_error("%s: no height property\n", device_xname(self)); return; } #ifdef GLYPHCACHE_DEBUG /* leave some visible VRAM unused so we can see the glyph cache */ sc->sc_height -= 200; #endif if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { aprint_error("%s: no depth property\n", device_xname(self)); return; } if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) { aprint_error("%s: no linebytes property\n", device_xname(self)); return; } prop_dictionary_get_bool(dict, "is_console", &is_console); if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x10, PCI_MAPREG_TYPE_MEM, &sc->sc_fb, &sc->sc_fbsize, &flags)) { aprint_error("%s: failed to map the frame buffer.\n", device_xname(sc->sc_dev)); } if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0, &tag, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { aprint_error("%s: failed to map registers.\n", device_xname(sc->sc_dev)); } aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self), (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb); sc->sc_defaultscreen_descr = (struct wsscreen_descr){ "default", 0, 0, NULL, 8, 16, WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | WSSCREEN_RESIZE, NULL }; sc->sc_screens[0] = &sc->sc_defaultscreen_descr; sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens}; sc->sc_mode = WSDISPLAYIO_MODE_EMUL; sc->sc_locked = 0; vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, &r128fb_accessops); sc->vd.init_screen = r128fb_init_screen; sc->vd.show_screen_cookie = &sc->sc_gc; sc->vd.show_screen_cb = glyphcache_adapt; /* init engine here */ r128fb_init(sc); ri = &sc->sc_console_screen.scr_ri; sc->sc_gc.gc_bitblt = r128fb_bitblt; sc->sc_gc.gc_blitcookie = sc; sc->sc_gc.gc_rop = R128_ROP3_S; if (is_console) { vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, ri->ri_devcmap[(defattr >> 16) & 0xff]); sc->sc_defaultscreen_descr.textops = &ri->ri_ops; sc->sc_defaultscreen_descr.capabilities = ri->ri_caps; sc->sc_defaultscreen_descr.nrows = ri->ri_rows; sc->sc_defaultscreen_descr.ncols = ri->ri_cols; glyphcache_init(&sc->sc_gc, sc->sc_height + 5, (0x800000 / sc->sc_stride) - sc->sc_height - 5, sc->sc_width, ri->ri_font->fontwidth, ri->ri_font->fontheight, defattr); wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0, defattr); vcons_replay_msgbuf(&sc->sc_console_screen); } else { /* * since we're not the console we can postpone the rest * until someone actually allocates a screen for us */ if (sc->sc_console_screen.scr_ri.ri_rows == 0) { /* do some minimal setup to avoid weirdnesses later */ vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); } else (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr); glyphcache_init(&sc->sc_gc, sc->sc_height + 5, (0x800000 / sc->sc_stride) - sc->sc_height - 5, sc->sc_width, ri->ri_font->fontwidth, ri->ri_font->fontheight, defattr); } j = 0; rasops_get_cmap(ri, cmap, sizeof(cmap)); for (i = 0; i < 256; i++) { sc->sc_cmap_red[i] = cmap[j]; sc->sc_cmap_green[i] = cmap[j + 1]; sc->sc_cmap_blue[i] = cmap[j + 2]; r128fb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); j += 3; } /* no suspend/resume support yet */ if (!pmf_device_register(sc->sc_dev, NULL, NULL)) aprint_error_dev(sc->sc_dev, "couldn't establish power handler\n"); reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); DPRINTF("R128_LVDS_GEN_CNTL: %08x\n", reg); if (reg & R128_LVDS_ON) { sc->sc_have_backlight = 1; sc->sc_bl_on = 1; sc->sc_bl_level = 255 - ((reg & R128_LEVEL_MASK) >> R128_LEVEL_SHIFT); pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP, r128fb_brightness_up, TRUE); pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN, r128fb_brightness_down, TRUE); aprint_verbose("%s: LVDS output is active, enabling backlight" " control\n", device_xname(self)); } else sc->sc_have_backlight = 0; aa.console = is_console; aa.scrdata = &sc->sc_screenlist; aa.accessops = &r128fb_accessops; aa.accesscookie = &sc->vd; config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, CFARGS_NONE); } static int r128fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) { struct vcons_data *vd = v; struct r128fb_softc *sc = vd->cookie; struct wsdisplay_fbinfo *wdf; struct vcons_screen *ms = vd->active; struct wsdisplay_param *param; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_PCIMISC; return 0; /* PCI config read/write passthrough. */ case PCI_IOC_CFGREAD: case PCI_IOC_CFGWRITE: return pci_devioctl(sc->sc_pc, sc->sc_pcitag, cmd, data, flag, l); case WSDISPLAYIO_GET_BUSID: return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc, sc->sc_pcitag, data); case WSDISPLAYIO_GINFO: if (ms == NULL) return ENODEV; wdf = (void *)data; wdf->height = ms->scr_ri.ri_height; wdf->width = ms->scr_ri.ri_width; wdf->depth = ms->scr_ri.ri_depth; wdf->cmsize = 256; return 0; case WSDISPLAYIO_GETCMAP: return r128fb_getcmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: return r128fb_putcmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_LINEBYTES: *(u_int *)data = sc->sc_stride; return 0; case WSDISPLAYIO_SMODE: { int new_mode = *(int*)data; if (new_mode != sc->sc_mode) { sc->sc_mode = new_mode; if(new_mode == WSDISPLAYIO_MODE_EMUL) { r128fb_init(sc); r128fb_restore_palette(sc); glyphcache_wipe(&sc->sc_gc); r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, ms->scr_ri.ri_devcmap[ (ms->scr_defattr >> 16) & 0xff]); vcons_redraw_screen(ms); } } } return 0; case WSDISPLAYIO_GETPARAM: param = (struct wsdisplay_param *)data; if (sc->sc_have_backlight == 0) return EPASSTHROUGH; switch (param->param) { case WSDISPLAYIO_PARAM_BRIGHTNESS: param->min = 0; param->max = 255; param->curval = sc->sc_bl_level; return 0; case WSDISPLAYIO_PARAM_BACKLIGHT: param->min = 0; param->max = 1; param->curval = sc->sc_bl_on; return 0; } return EPASSTHROUGH; case WSDISPLAYIO_SETPARAM: param = (struct wsdisplay_param *)data; if (sc->sc_have_backlight == 0) return EPASSTHROUGH; switch (param->param) { case WSDISPLAYIO_PARAM_BRIGHTNESS: r128fb_set_backlight(sc, param->curval); return 0; case WSDISPLAYIO_PARAM_BACKLIGHT: r128fb_switch_backlight(sc, param->curval); return 0; } return EPASSTHROUGH; case WSDISPLAYIO_GET_EDID: { struct wsdisplayio_edid_info *d = data; return wsdisplayio_get_edid(sc->sc_dev, d); } case WSDISPLAYIO_GET_FBINFO: { struct wsdisplayio_fbinfo *fbi = data; return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi); } } return EPASSTHROUGH; } static paddr_t r128fb_mmap(void *v, void *vs, off_t offset, int prot) { struct vcons_data *vd = v; struct r128fb_softc *sc = vd->cookie; paddr_t pa; /* 'regular' framebuffer mmap()ing */ if (offset < sc->sc_fbsize) { pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } /* * restrict all other mappings to processes with superuser privileges * or the kernel itself */ if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM, NULL, NULL, NULL, NULL) != 0) { aprint_normal("%s: mmap() rejected.\n", device_xname(sc->sc_dev)); return -1; } if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) { pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } if ((offset >= sc->sc_reg) && (offset < (sc->sc_reg + sc->sc_regsize))) { pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } #ifdef PCI_MAGIC_IO_RANGE /* allow mapping of IO space */ if ((offset >= PCI_MAGIC_IO_RANGE) && (offset < PCI_MAGIC_IO_RANGE + 0x10000)) { pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } #endif #ifdef OFB_ALLOW_OTHERS if (offset >= 0x80000000) { pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, BUS_SPACE_MAP_LINEAR); return pa; } #endif return -1; } static void r128fb_init_screen(void *cookie, struct vcons_screen *scr, int existing, long *defattr) { struct r128fb_softc *sc = cookie; struct rasops_info *ri = &scr->scr_ri; ri->ri_depth = sc->sc_depth; ri->ri_width = sc->sc_width; ri->ri_height = sc->sc_height; ri->ri_stride = sc->sc_stride; ri->ri_flg = RI_CENTER; if (sc->sc_depth == 8) ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA | RI_PREFER_ALPHA; rasops_init(ri, 0, 0); ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE | WSSCREEN_RESIZE; #ifdef VCONS_DRAW_INTR scr->scr_flags |= VCONS_DONT_READ; #endif scr->scr_flags |= VCONS_LOADFONT; rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight, sc->sc_width / ri->ri_font->fontwidth); ri->ri_hw = scr; ri->ri_ops.copyrows = r128fb_copyrows; ri->ri_ops.copycols = r128fb_copycols; ri->ri_ops.eraserows = r128fb_eraserows; ri->ri_ops.erasecols = r128fb_erasecols; ri->ri_ops.cursor = r128fb_cursor; if (FONT_IS_ALPHA(ri->ri_font)) { ri->ri_ops.putchar = r128fb_putchar_aa; } else ri->ri_ops.putchar = r128fb_putchar; } static int r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) { u_char *r, *g, *b; u_int index = cm->index; u_int count = cm->count; int i, error; u_char rbuf[256], gbuf[256], bbuf[256]; #ifdef R128FB_DEBUG aprint_debug("putcmap: %d %d\n",index, count); #endif if (cm->index >= 256 || cm->count > 256 || (cm->index + cm->count) > 256) return EINVAL; error = copyin(cm->red, &rbuf[index], count); if (error) return error; error = copyin(cm->green, &gbuf[index], count); if (error) return error; error = copyin(cm->blue, &bbuf[index], count); if (error) return error; memcpy(&sc->sc_cmap_red[index], &rbuf[index], count); memcpy(&sc->sc_cmap_green[index], &gbuf[index], count); memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count); r = &sc->sc_cmap_red[index]; g = &sc->sc_cmap_green[index]; b = &sc->sc_cmap_blue[index]; for (i = 0; i < count; i++) { r128fb_putpalreg(sc, index, *r, *g, *b); index++; r++, g++, b++; } return 0; } static int r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm) { u_int index = cm->index; u_int count = cm->count; int error; if (index >= 255 || count > 256 || index + count > 256) return EINVAL; error = copyout(&sc->sc_cmap_red[index], cm->red, count); if (error) return error; error = copyout(&sc->sc_cmap_green[index], cm->green, count); if (error) return error; error = copyout(&sc->sc_cmap_blue[index], cm->blue, count); if (error) return error; return 0; } static void r128fb_restore_palette(struct r128fb_softc *sc) { int i; for (i = 0; i < (1 << sc->sc_depth); i++) { r128fb_putpalreg(sc, i, sc->sc_cmap_red[i], sc->sc_cmap_green[i], sc->sc_cmap_blue[i]); } } static int r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, uint8_t b) { uint32_t reg; /* whack the DAC */ reg = (r << 16) | (g << 8) | b; bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg); return 0; } static void r128fb_init(struct r128fb_softc *sc) { uint32_t datatype, d, reg; r128fb_flush_engine(sc); r128fb_wait(sc, 9); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0); /* pitch is in units of 8 pixels */ bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH, sc->sc_width >> 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_SC_BOTTOM_RIGHT, R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT, R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_SC_BOTTOM_RIGHT, R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX); #if 0 #if BYTE_ORDER == BIG_ENDIAN bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, R128_HOST_BIG_ENDIAN_EN); #else bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE, 0); #endif #endif r128fb_wait(sc, 7); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH, sc->sc_width >> 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH, sc->sc_width >> 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK, 0xffffffff); switch (sc->sc_depth) { case 8: datatype = R128_GMC_DST_8BPP_CI; d = R128_CRTC_COLOR_8BIT; break; case 15: datatype = R128_GMC_DST_15BPP; d = R128_CRTC_COLOR_15BIT; break; case 16: datatype = R128_GMC_DST_16BPP; d = R128_CRTC_COLOR_16BIT; break; case 24: datatype = R128_GMC_DST_24BPP; d = R128_CRTC_COLOR_24BIT; break; case 32: datatype = R128_GMC_DST_32BPP; d = R128_CRTC_COLOR_32BIT; break; default: aprint_error("%s: unsupported depth %d\n", device_xname(sc->sc_dev), sc->sc_depth); return; } sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS | datatype; reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_CRTC_GEN_CNTL); DPRINTF("depth: %d\n", reg & R128_CRTC_PIX_WIDTH); reg &= ~R128_CRTC_PIX_WIDTH; reg |= d; bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_GEN_CNTL, reg); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_PITCH, sc->sc_width >> 3); r128fb_flush_engine(sc); } static void r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he, uint32_t colour) { r128fb_wait(sc, 5); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, R128_GMC_BRUSH_SOLID_COLOR | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | sc->sc_master_cntl); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR, colour); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM); /* now feed it coordinates */ bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, (x << 16) | y); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, (wi << 16) | he); } static void r128fb_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi, int he, int rop) { struct r128fb_softc *sc = cookie; uint32_t dp_cntl = 0; r128fb_wait(sc, 5); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, R128_GMC_BRUSH_SOLID_COLOR | R128_GMC_SRC_DATATYPE_COLOR | rop | R128_DP_SRC_SOURCE_MEMORY | sc->sc_master_cntl); if (yd <= ys) { dp_cntl = R128_DST_Y_TOP_TO_BOTTOM; } else { ys += he - 1; yd += he - 1; } if (xd <= xs) { dp_cntl |= R128_DST_X_LEFT_TO_RIGHT; } else { xs += wi - 1; xd += wi - 1; } bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl); /* now feed it coordinates */ bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, (xs << 16) | ys); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, (xd << 16) | yd); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, (wi << 16) | he); } static void r128fb_cursor(void *cookie, int on, int row, int col) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct r128fb_softc *sc = scr->scr_cookie; int x, y, wi, he; wi = ri->ri_font->fontwidth; he = ri->ri_font->fontheight; if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { if (ri->ri_flg & RI_CURSOR) { x = ri->ri_ccol * wi + ri->ri_xorigin; y = ri->ri_crow * he + ri->ri_yorigin; r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); ri->ri_flg &= ~RI_CURSOR; } ri->ri_crow = row; ri->ri_ccol = col; if (on) { x = ri->ri_ccol * wi + ri->ri_xorigin; y = ri->ri_crow * he + ri->ri_yorigin; r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn); ri->ri_flg |= RI_CURSOR; } } else { scr->scr_ri.ri_crow = row; scr->scr_ri.ri_ccol = col; scr->scr_ri.ri_flg &= ~RI_CURSOR; } } static void r128fb_putchar(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 r128fb_softc *sc = scr->scr_cookie; void *data; uint32_t fg, bg; int i, x, y, wi, he, offset; if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) return; if (!CHAR_IN_FONT(c, font)) return; wi = font->fontwidth; he = font->fontheight; bg = ri->ri_devcmap[(attr >> 16) & 0xf]; fg = ri->ri_devcmap[(attr >> 24) & 0xf]; x = ri->ri_xorigin + col * wi; y = ri->ri_yorigin + row * he; if (c == 0x20) { r128fb_rectfill(sc, x, y, wi, he, bg); return; } data = WSFONT_GLYPH(c, font); r128fb_wait(sc, 8); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, R128_GMC_BRUSH_SOLID_COLOR | R128_GMC_SRC_DATATYPE_MONO_FG_BG | R128_ROP3_S | R128_DP_SRC_SOURCE_HOST_DATA | R128_GMC_DST_CLIPPING | sc->sc_master_cntl); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, R128_DST_Y_TOP_TO_BOTTOM | R128_DST_X_LEFT_TO_RIGHT); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_SRC_FRGD_CLR, fg); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_SRC_BKGD_CLR, bg); /* * The Rage 128 doesn't have anything to skip pixels * when colour expanding but all coordinates * are signed so we just clip the leading bytes and * trailing bits away */ bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_RIGHT, x + wi - 1); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_LEFT, x); /* needed? */ bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 0); offset = 32 - (font->stride << 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, ((x - offset) << 16) | y); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, (32 << 16) | he); r128fb_wait(sc, he); switch (font->stride) { case 1: { uint8_t *data8 = data; uint32_t reg; for (i = 0; i < he; i++) { reg = *data8; bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, R128_HOST_DATA0, reg); data8++; } break; } case 2: { uint16_t *data16 = data; uint32_t reg; for (i = 0; i < he; i++) { reg = *data16; bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, R128_HOST_DATA0, reg); data16++; } break; } } } static void r128fb_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); struct vcons_screen *scr = ri->ri_hw; struct r128fb_softc *sc = scr->scr_cookie; uint32_t bg, latch = 0, bg8, fg8, pixel; int i, x, y, wi, he, r, g, b, aval; int r1, g1, b1, r0, g0, b0, fgo, bgo; uint8_t *data8; int rv, cnt = 0; if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) return; if (!CHAR_IN_FONT(c, font)) return; wi = font->fontwidth; he = font->fontheight; bg = ri->ri_devcmap[(attr >> 16) & 0xf]; x = ri->ri_xorigin + col * wi; y = ri->ri_yorigin + row * he; if (c == 0x20) { r128fb_rectfill(sc, x, y, wi, he, bg); return; } rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); if (rv == GC_OK) return; data8 = WSFONT_GLYPH(c, font); r128fb_wait(sc, 5); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL, R128_GMC_BRUSH_SOLID_COLOR | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_S | R128_DP_SRC_SOURCE_HOST_DATA | sc->sc_master_cntl); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, R128_DST_Y_TOP_TO_BOTTOM | R128_DST_X_LEFT_TO_RIGHT); /* needed? */ bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y, (x << 16) | y); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT, (wi << 16) | he); /* * we need the RGB colours here, so get offsets into rasops_cmap */ fgo = ((attr >> 24) & 0xf) * 3; bgo = ((attr >> 16) & 0xf) * 3; r0 = rasops_cmap[bgo]; r1 = rasops_cmap[fgo]; g0 = rasops_cmap[bgo + 1]; g1 = rasops_cmap[fgo + 1]; b0 = rasops_cmap[bgo + 2]; b1 = rasops_cmap[fgo + 2]; #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6)) bg8 = R3G3B2(r0, g0, b0); fg8 = R3G3B2(r1, g1, b1); r128fb_wait(sc, 16); for (i = 0; i < ri->ri_fontscale; i++) { aval = *data8; if (aval == 0) { pixel = bg8; } else if (aval == 255) { pixel = fg8; } else { r = aval * r1 + (255 - aval) * r0; g = aval * g1 + (255 - aval) * g0; b = aval * b1 + (255 - aval) * b0; pixel = ((r & 0xe000) >> 8) | ((g & 0xe000) >> 11) | ((b & 0xc000) >> 14); } latch = (latch << 8) | pixel; /* write in 32bit chunks */ if ((i & 3) == 3) { bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, R128_HOST_DATA0, latch); /* * not strictly necessary, old data should be shifted * out */ latch = 0; cnt++; if (cnt > 15) { r128fb_wait(sc, 16); cnt = 0; } } data8++; } /* if we have pixels left in latch write them out */ if ((i & 3) != 0) { latch = latch << ((4 - (i & 3)) << 3); bus_space_write_stream_4(sc->sc_memt, sc->sc_regh, R128_HOST_DATA0, latch); } if (rv == GC_ADD) { glyphcache_add(&sc->sc_gc, c, x, y); } } static void r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct r128fb_softc *sc = scr->scr_cookie; int32_t xs, xd, y, width, height; if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; y = ri->ri_yorigin + ri->ri_font->fontheight * row; width = ri->ri_font->fontwidth * ncols; height = ri->ri_font->fontheight; r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S); } } static void r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct r128fb_softc *sc = scr->scr_cookie; int32_t x, y, width, height, fg, bg, ul; if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol; y = ri->ri_yorigin + ri->ri_font->fontheight * row; width = ri->ri_font->fontwidth * ncols; height = ri->ri_font->fontheight; rasops_unpack_attr(fillattr, &fg, &bg, &ul); r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); } } static void r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct r128fb_softc *sc = scr->scr_cookie; int32_t x, ys, yd, width, height; if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { x = ri->ri_xorigin; ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; width = ri->ri_emuwidth; height = ri->ri_font->fontheight * nrows; r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S); } } static void r128fb_eraserows(void *cookie, int row, int nrows, long fillattr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct r128fb_softc *sc = scr->scr_cookie; int32_t x, y, width, height, fg, bg, ul; if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) { x = ri->ri_xorigin; y = ri->ri_yorigin + ri->ri_font->fontheight * row; width = ri->ri_emuwidth; height = ri->ri_font->fontheight * nrows; rasops_unpack_attr(fillattr, &fg, &bg, &ul); r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); } } static void r128fb_set_backlight(struct r128fb_softc *sc, int level) { uint32_t reg; /* * should we do nothing when backlight is off, should we just store the * level and use it when turning back on or should we just flip sc_bl_on * and turn the backlight on? * For now turn it on so a crashed screensaver can't get the user stuck * with a dark screen as long as hotkeys work */ if (level > 255) level = 255; if (level < 0) level = 0; if (level == sc->sc_bl_level) return; sc->sc_bl_level = level; if (sc->sc_bl_on == 0) sc->sc_bl_on = 1; level = 255 - level; reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); reg &= ~R128_LEVEL_MASK; reg |= (level << R128_LEVEL_SHIFT); bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL, reg); DPRINTF("backlight level: %d reg %08x\n", level, reg); } static void r128fb_switch_backlight(struct r128fb_softc *sc, int on) { uint32_t reg; int level; if (on == sc->sc_bl_on) return; sc->sc_bl_on = on; reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL); reg &= ~R128_LEVEL_MASK; level = on ? 255 - sc->sc_bl_level : 255; reg |= level << R128_LEVEL_SHIFT; bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_LVDS_GEN_CNTL, reg); DPRINTF("backlight state: %d reg %08x\n", on, reg); } static void r128fb_brightness_up(device_t dev) { struct r128fb_softc *sc = device_private(dev); r128fb_set_backlight(sc, sc->sc_bl_level + 8); } static void r128fb_brightness_down(device_t dev) { struct r128fb_softc *sc = device_private(dev); r128fb_set_backlight(sc, sc->sc_bl_level - 8); }