/* $NetBSD: pm2fb.c,v 1.35 2022/09/25 17:52:25 thorpej Exp $ */ /* * Copyright (c) 2009, 2012 Michael Lorenz * 2014 Naruaki Etomi * 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 Permedia 2 graphics controllers */ #include __KERNEL_RCSID(0, "$NetBSD: pm2fb.c,v 1.35 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 #include #include #include #include #include #include #include #include "opt_pm2fb.h" #ifdef PM2FB_DEBUG #define DPRINTF aprint_error #else #define DPRINTF while (0) printf #endif #if BYTE_ORDER == LITTLE_ENDIAN /* * XXX * A temporary workaround for unaligned blits on little endian hardware. * This makes pm2fb_bitblt() work well on little endian hardware to get * scrolling right, but not much more. Unaligned blits ( as in, where the lower * 2 bits of the source and destination X coordinates don't match ) are still * wrong so the glyph cache is also disabled. */ #define BITBLT_LE_WORKAROUND #endif struct pm2fb_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; 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_pprod; int sc_is_pm2; /* i2c stuff */ struct i2c_controller sc_i2c; uint8_t sc_edid_data[128]; struct edid_info sc_ei; const struct videomode *sc_videomode; glyphcache sc_gc; }; static int pm2fb_match(device_t, cfdata_t, void *); static void pm2fb_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(pm2fb, sizeof(struct pm2fb_softc), pm2fb_match, pm2fb_attach, NULL, NULL); extern const u_char rasops_cmap[768]; static int pm2fb_ioctl(void *, void *, u_long, void *, int, struct lwp *); static paddr_t pm2fb_mmap(void *, void *, off_t, int); static void pm2fb_init_screen(void *, struct vcons_screen *, int, long *); static int pm2fb_putcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); static int pm2fb_getcmap(struct pm2fb_softc *, struct wsdisplay_cmap *); static void pm2fb_init_palette(struct pm2fb_softc *); static int pm2fb_putpalreg(struct pm2fb_softc *, uint8_t, uint8_t, uint8_t, uint8_t); static void pm2fb_init(struct pm2fb_softc *); static inline void pm2fb_wait(struct pm2fb_softc *, int); static void pm2fb_flush_engine(struct pm2fb_softc *); static void pm2fb_rectfill(struct pm2fb_softc *, int, int, int, int, uint32_t); static void pm2fb_rectfill_a(void *, int, int, int, int, long); static void pm2fb_bitblt(void *, int, int, int, int, int, int, int); static void pm2fb_cursor(void *, int, int, int); static void pm2fb_putchar(void *, int, int, u_int, long); static void pm2fb_putchar_aa(void *, int, int, u_int, long); static void pm2fb_copycols(void *, int, int, int, int); static void pm2fb_erasecols(void *, int, int, int, long); static void pm2fb_copyrows(void *, int, int, int); static void pm2fb_eraserows(void *, int, int, long); struct wsdisplay_accessops pm2fb_accessops = { pm2fb_ioctl, pm2fb_mmap, NULL, /* alloc_screen */ NULL, /* free_screen */ NULL, /* show_screen */ NULL, /* load_font */ NULL, /* pollc */ NULL /* scroll */ }; /* I2C glue */ static int pm2fb_i2c_send_start(void *, int); static int pm2fb_i2c_send_stop(void *, int); static int pm2fb_i2c_initiate_xfer(void *, i2c_addr_t, int); static int pm2fb_i2c_read_byte(void *, uint8_t *, int); static int pm2fb_i2c_write_byte(void *, uint8_t, int); /* I2C bitbang glue */ static void pm2fb_i2cbb_set_bits(void *, uint32_t); static void pm2fb_i2cbb_set_dir(void *, uint32_t); static uint32_t pm2fb_i2cbb_read(void *); static void pm2_setup_i2c(struct pm2fb_softc *); static const struct i2c_bitbang_ops pm2fb_i2cbb_ops = { pm2fb_i2cbb_set_bits, pm2fb_i2cbb_set_dir, pm2fb_i2cbb_read, { PM2_DD_SDA_IN, PM2_DD_SCL_IN, 0, 0 } }; /* mode setting stuff */ static int pm2fb_set_pll(struct pm2fb_softc *, int); static int pm2vfb_set_pll(struct pm2fb_softc *, int); static uint8_t pm2fb_read_dac(struct pm2fb_softc *, int); static void pm2fb_write_dac(struct pm2fb_softc *, int, uint8_t); static void pm2fb_set_mode(struct pm2fb_softc *, const struct videomode *); const struct { int vendor; int product; int flags; } pm2fb_pci_devices[] = { { PCI_VENDOR_3DLABS, PCI_PRODUCT_3DLABS_PERMEDIA2V, 0 }, { PCI_VENDOR_TI, PCI_PRODUCT_TI_TVP4020, 1 }, { 0, 0, 0 } }; /* this table is from xf86-video-glint */ #define PARTPROD(a,b,c) (((a)<<6) | ((b)<<3) | (c)) int partprodPermedia[] = { -1, PARTPROD(0,0,1), PARTPROD(0,1,1), PARTPROD(1,1,1), PARTPROD(1,1,2), PARTPROD(1,2,2), PARTPROD(2,2,2), PARTPROD(1,2,3), PARTPROD(2,2,3), PARTPROD(1,3,3), PARTPROD(2,3,3), PARTPROD(1,2,4), PARTPROD(3,3,3), PARTPROD(1,3,4), PARTPROD(2,3,4), -1, PARTPROD(3,3,4), PARTPROD(1,4,4), PARTPROD(2,4,4), -1, PARTPROD(3,4,4), -1, PARTPROD(2,3,5), -1, PARTPROD(4,4,4), PARTPROD(1,4,5), PARTPROD(2,4,5), PARTPROD(3,4,5), -1, -1, -1, -1, PARTPROD(4,4,5), PARTPROD(1,5,5), PARTPROD(2,5,5), -1, PARTPROD(3,5,5), -1, -1, -1, PARTPROD(4,5,5), -1, -1, -1, PARTPROD(3,4,6), -1, -1, -1, PARTPROD(5,5,5), PARTPROD(1,5,6), PARTPROD(2,5,6), -1, PARTPROD(3,5,6), -1, -1, -1, PARTPROD(4,5,6), -1, -1, -1, -1, -1, -1, -1, PARTPROD(5,5,6), -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0}; static inline void pm2fb_wait(struct pm2fb_softc *sc, int slots) { uint32_t reg; do { reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_INPUT_FIFO_SPACE); } while (reg <= slots); } static void pm2fb_flush_engine(struct pm2fb_softc *sc) { pm2fb_wait(sc, 2); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_FILTER_MODE, PM2FLT_PASS_SYNC); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SYNC, 0); do { while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO_WORDS) == 0); } while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO) != PM2_SYNC_TAG); } static int pm2fb_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = (struct pci_attach_args *)aux; int i; if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) return 0; for (i = 0; pm2fb_pci_devices[i].vendor; i++) { if ((PCI_VENDOR(pa->pa_id) == pm2fb_pci_devices[i].vendor && PCI_PRODUCT(pa->pa_id) == pm2fb_pci_devices[i].product)) return 100; } return (0); } static void pm2fb_attach(device_t parent, device_t self, void *aux) { struct pm2fb_softc *sc = device_private(self); struct pci_attach_args *pa = aux; struct rasops_info *ri; struct wsemuldisplaydev_attach_args aa; prop_dictionary_t dict; unsigned long defattr; bool is_console = FALSE; uint32_t flags; int i; 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; for (i = 0; pm2fb_pci_devices[i].vendor; i++) { if (PCI_PRODUCT(pa->pa_id) == pm2fb_pci_devices[i].product) { sc->sc_is_pm2 = pm2fb_pci_devices[i].flags ; break; } } pci_aprint_devinfo(pa, NULL); /* * fill in parameters from properties * if we can't get a usable mode via DDC2 we'll use this to pick one, * which is why we fill them in with some conservative values that * hopefully work as a last resort */ dict = device_properties(self); if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) { aprint_error("%s: no width property\n", device_xname(self)); sc->sc_width = 1024; } if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) { aprint_error("%s: no height property\n", device_xname(self)); sc->sc_height = 768; } if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) { aprint_error("%s: no depth property\n", device_xname(self)); sc->sc_depth = 8; } /* * don't look at the linebytes property - The Raptor firmware lies * about it. Get it from width * depth >> 3 instead. */ sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3); prop_dictionary_get_bool(dict, "is_console", &is_console); pci_mapreg_info(pa->pa_pc, pa->pa_tag, 0x14, PCI_MAPREG_TYPE_MEM, &sc->sc_fb, &sc->sc_fbsize, &flags); if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0, &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) { aprint_error("%s: failed to map registers.\n", device_xname(sc->sc_dev)); } /* * XXX yeah, casting the fb address to uint32_t is formally wrong * but as far as I know there are no PM2 with 64bit BARs */ 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, 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; pm2_setup_i2c(sc); vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr, &pm2fb_accessops); sc->vd.init_screen = pm2fb_init_screen; /* init engine here */ pm2fb_init(sc); ri = &sc->sc_console_screen.scr_ri; sc->sc_gc.gc_bitblt = pm2fb_bitblt; sc->sc_gc.gc_rectfill = pm2fb_rectfill_a; sc->sc_gc.gc_blitcookie = sc; sc->sc_gc.gc_rop = 3; #ifdef PM2FB_DEBUG /* * leave some room at the bottom of the screen for various blitter * tests and in order to make the glyph cache visible */ sc->sc_height -= 200; #endif if (is_console) { vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr); sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; pm2fb_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, uimin(2047, (sc->sc_fbsize / 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 { 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, uimin(2047, (sc->sc_fbsize / sc->sc_stride)) - sc->sc_height - 5, sc->sc_width, ri->ri_font->fontwidth, ri->ri_font->fontheight, defattr); } pm2fb_init_palette(sc); aa.console = is_console; aa.scrdata = &sc->sc_screenlist; aa.accessops = &pm2fb_accessops; aa.accesscookie = &sc->vd; config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, CFARGS_NONE); #ifdef PM2FB_DEBUG /* * draw a pattern to check if pm2fb_bitblt() gets the alignment stuff * right */ pm2fb_rectfill(sc, 0, sc->sc_height, sc->sc_width, 200, 0xffffffff); pm2fb_rectfill(sc, 0, sc->sc_height, 300, 10, 0); pm2fb_rectfill(sc, 10, sc->sc_height, 200, 10, 0xe0e0e0e0); for (i = 1; i < 20; i++) { pm2fb_bitblt(sc, 0, sc->sc_height, i, sc->sc_height + 10 * i, 300, 10, 3); pm2fb_bitblt(sc, i, sc->sc_height, 400, sc->sc_height + 10 * i, 300, 10, 3); } #endif } static int pm2fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) { struct vcons_data *vd = v; struct pm2fb_softc *sc = vd->cookie; struct wsdisplay_fbinfo *wdf; struct vcons_screen *ms = vd->active; 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 pm2fb_getcmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: return pm2fb_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) { /* first set the video mode */ if (sc->sc_videomode != NULL) { pm2fb_set_mode(sc, sc->sc_videomode); } /* then initialize the drawing engine */ pm2fb_init(sc); pm2fb_init_palette(sc); /* clean out the glyph cache */ glyphcache_wipe(&sc->sc_gc); /* and redraw everything */ vcons_redraw_screen(ms); } else pm2fb_flush_engine(sc); } } return 0; case WSDISPLAYIO_GET_EDID: { struct wsdisplayio_edid_info *d = data; d->data_size = 128; if (d->buffer_size < 128) return EAGAIN; return copyout(sc->sc_edid_data, d->edid_data, 128); } case WSDISPLAYIO_GET_FBINFO: { struct wsdisplayio_fbinfo *fbi = data; return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi); } } return EPASSTHROUGH; } static paddr_t pm2fb_mmap(void *v, void *vs, off_t offset, int prot) { struct vcons_data *vd = v; struct pm2fb_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; } /* XXX 2nd fb BAR? */ #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 return -1; } static void pm2fb_init_screen(void *cookie, struct vcons_screen *scr, int existing, long *defattr) { struct pm2fb_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; rasops_init(ri, 0, 0); ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_UNDERLINE; 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 = pm2fb_copyrows; ri->ri_ops.copycols = pm2fb_copycols; ri->ri_ops.cursor = pm2fb_cursor; ri->ri_ops.eraserows = pm2fb_eraserows; ri->ri_ops.erasecols = pm2fb_erasecols; if (FONT_IS_ALPHA(ri->ri_font)) { ri->ri_ops.putchar = pm2fb_putchar_aa; } else ri->ri_ops.putchar = pm2fb_putchar; } static int pm2fb_putcmap(struct pm2fb_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 PM2FB_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++) { pm2fb_putpalreg(sc, index, *r, *g, *b); index++; r++, g++, b++; } return 0; } static int pm2fb_getcmap(struct pm2fb_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 pm2fb_init_palette(struct pm2fb_softc *sc) { struct rasops_info *ri = &sc->sc_console_screen.scr_ri; int i, j = 0; uint8_t cmap[768]; 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]; pm2fb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]); j += 3; } } static int pm2fb_putpalreg(struct pm2fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g, uint8_t b) { bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, idx); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, r); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, g); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_DATA, b); return 0; } static uint8_t pm2fb_read_dac(struct pm2fb_softc *sc, int reg) { if (sc->sc_is_pm2) { bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, reg); return bus_space_read_1(sc->sc_memt, sc->sc_regh, PM2_DAC_INDEX_DATA); } else { bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2V_DAC_INDEX_LOW, reg & 0xff); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); return bus_space_read_1(sc->sc_memt, sc->sc_regh, PM2V_DAC_INDEX_DATA); } } static void pm2fb_write_dac(struct pm2fb_softc *sc, int reg, uint8_t data) { pm2fb_wait(sc, 3); if (sc->sc_is_pm2) { pm2fb_wait(sc, 2); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, reg); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_INDEX_DATA, data); } else { pm2fb_wait(sc, 3); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2V_DAC_INDEX_LOW, reg & 0xff); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2V_DAC_INDEX_HIGH, (reg >> 8) & 0xff); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2V_DAC_INDEX_DATA, data); } } static void pm2fb_init(struct pm2fb_softc *sc) { pm2fb_flush_engine(sc); pm2fb_wait(sc, 9); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_BASE, 0); /* set aperture endianness */ #if BYTE_ORDER == BIG_ENDIAN bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_APERTURE1_CONTROL, PM2_AP_BYTESWAP | PM2_AP_HALFWORDSWAP); #else bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_APERTURE1_CONTROL, 0); #endif #if 0 bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_BYPASS_MASK, 0xffffffff); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_WRITE_MASK, 0xffffffff); #endif bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HW_WRITEMASK, 0xffffffff); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SW_WRITEMASK, 0xffffffff); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WRITE_MODE, PM2WM_WRITE_EN); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, (sc->sc_height << 16) | sc->sc_width); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MODE, PM2SC_SCREEN_EN); pm2fb_wait(sc, 8); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_COLOUR_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_ADDRESS_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_READ_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEX_LUT_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_YUV_MODE, 0); pm2fb_wait(sc, 8); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DEPTH, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STENCIL_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STIPPLE_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ROP_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_WINDOW_ORIGIN, 0); #if 0 sc->sc_pprod = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE) & (PM2FB_PP0_MASK | PM2FB_PP1_MASK | PM2FB_PP2_MASK); #endif sc->sc_pprod = partprodPermedia[sc->sc_stride >> 5]; bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_FB_READMODE, sc->sc_pprod); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_TEXMAP_FORMAT, sc->sc_pprod); pm2fb_wait(sc, 9); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DY, 1 << 16); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DXDOM, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXDOM, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTXSUB, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_STARTY, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COUNT, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MINYX, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCISSOR_MAXYX, 0x0fff0fff); /* * another scissor we need to disable in order to blit into off-screen * memory */ bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SCREENSIZE, 0x0fff0fff); switch(sc->sc_depth) { case 8: bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE, PM2PS_8BIT); break; case 16: bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE, PM2PS_16BIT); break; case 32: bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE, PM2PS_32BIT); break; } pm2fb_flush_engine(sc); DPRINTF("pixel size: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_RE_PIXEL_SIZE)); } static void pm2fb_rectfill(struct pm2fb_softc *sc, int x, int y, int wi, int he, uint32_t colour) { pm2fb_wait(sc, 9); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, PM2RECFG_WRITE_EN); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, colour); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, (y << 16) | x); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, (he << 16) | wi); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); } static void pm2fb_rectfill_a(void *cookie, int x, int y, int wi, int he, long attr) { struct pm2fb_softc *sc = cookie; pm2fb_rectfill(sc, x, y, wi, he, sc->vd.active->scr_ri.ri_devcmap[(attr >> 24 & 0xf)]); } static void pm2fb_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi, int he, int rop) { struct pm2fb_softc *sc = cookie; uint32_t dir = 0; int rxd, rwi, rxdelta; if (yd <= ys) { dir |= PM2RE_INC_Y; } if (xd <= xs) { dir |= PM2RE_INC_X; } pm2fb_wait(sc, 10); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DDA_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, 0); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, 0); if (sc->sc_depth == 8) { int adjust; /* * use packed mode for some extra speed * this copies 32bit quantities even in 8 bit mode, so we need * to adjust for cases where the lower two bits in source and * destination X don't align, and/or where the width isn't a * multiple of 4 */ if (rop == 3) { bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); } else { bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, PM2RECFG_READ_SRC | PM2RECFG_READ_DST | PM2RECFG_WRITE_EN | PM2RECFG_PACKED | PM2RECFG_ROP_EN | (rop << 6)); } rxd = xd >> 2; rwi = (wi + 7) >> 2; rxdelta = (xs & 0xffc) - (xd & 0xffc); /* adjust for non-aligned x */ #ifdef BITBLT_LE_WORKAROUND /* I have no idea why this seems to work */ adjust = 1; #else adjust = ((xd & 3) - (xs & 3)); #endif bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_PACKEDDATA_LIMIT, (xd << 16) | (xd + wi) | (adjust << 29)); } else { /* we're in 16 or 32bit mode */ if (rop == 3) { bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, PM2RECFG_READ_SRC | PM2RECFG_WRITE_EN | PM2RECFG_ROP_EN | PM2RECFG_PACKED | (rop << 6)); } else { bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, PM2RECFG_READ_SRC | PM2RECFG_READ_DST | PM2RECFG_WRITE_EN | PM2RECFG_PACKED | PM2RECFG_ROP_EN | (rop << 6)); } rxd = xd; rwi = wi; rxdelta = xs - xd; } bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, (yd << 16) | rxd); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, (he << 16) | rwi); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_SOURCE_DELTA, (((ys - yd) & 0xfff) << 16) | (rxdelta & 0xfff)); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, PM2RE_RECTANGLE | dir); } static void pm2fb_cursor(void *cookie, int on, int row, int col) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct pm2fb_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) { x = ri->ri_ccol * wi + ri->ri_xorigin; y = ri->ri_crow * he + ri->ri_yorigin; if (ri->ri_flg & RI_CURSOR) { pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 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; pm2fb_bitblt(sc, x, y, x, y, wi, he, 12); 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 pm2fb_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 pm2fb_softc *sc = scr->scr_cookie; uint32_t mode; if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) { void *data; uint32_t fg, bg; int uc, i; int x, y, wi, he; wi = font->fontwidth; he = font->fontheight; if (!CHAR_IN_FONT(c, font)) return; 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) { pm2fb_rectfill(sc, x, y, wi, he, bg); } else { uc = c - font->firstchar; data = (uint8_t *)font->data + uc * ri->ri_fontscale; mode = PM2RM_MASK_MIRROR; #if BYTE_ORDER == LITTLE_ENDIAN switch (ri->ri_font->stride) { case 1: mode |= 4 << 7; break; case 2: mode |= 3 << 7; break; } #else switch (ri->ri_font->stride) { case 1: mode |= 3 << 7; break; case 2: mode |= 2 << 7; break; } #endif pm2fb_wait(sc, 8); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, mode); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, PM2RECFG_WRITE_EN); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, bg); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, (y << 16) | x); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, (he << 16) | wi); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, PM2RE_RECTANGLE | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BLOCK_COLOUR, fg); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, PM2RE_RECTANGLE | PM2RE_SYNC_ON_MASK | PM2RE_INC_X | PM2RE_INC_Y | PM2RE_FASTFILL); pm2fb_wait(sc, he); switch (ri->ri_font->stride) { case 1: { uint8_t *data8 = data; uint32_t reg; for (i = 0; i < he; i++) { reg = *data8; bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BITMASK, reg); data8++; } break; } case 2: { uint16_t *data16 = data; uint32_t reg; for (i = 0; i < he; i++) { reg = *data16; bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_BITMASK, reg); data16++; } break; } } } if (attr & 1) pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); } } static void pm2fb_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 pm2fb_softc *sc = scr->scr_cookie; uint32_t bg, fg, pixel, /*bg32,*/ fg32, aval; int i, x, y, wi, he; int r1, g1, b1, /*r0, g0, b0,*/ fgo/*, bgo*/; uint8_t *data8; int rv = GC_NOPE, 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]; fg = ri->ri_devcmap[(attr >> 24) & 0xf]; x = ri->ri_xorigin + col * wi; y = ri->ri_yorigin + row * he; /* always blit the cell with the background colour */ pm2fb_rectfill(sc, x, y, wi, he, bg); /* if we draw a whitespace we're done here */ if (c == 0x20) { if (attr & 1) pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); return; } #ifdef BITBLT_LE_WORKAROUND rv = GC_NOPE; #else rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); if (rv == GC_OK) return; #endif data8 = WSFONT_GLYPH(c, font); pm2fb_wait(sc, 7); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_MODE, 0); /* * XXX * we *chould* be able to get away without reading the framebuffer * since our background colour is always constant, but for some reason * that produces random, mostly black background */ bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_CONFIG, PM2RECFG_WRITE_EN | PM2RECFG_READ_DST); /* enable alpha blending and R3G3B2 output */ bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_ALPHA_MODE, PM2AL_ENABLE | PM2AL_OP_SRC_IS_SRC_ALPHA | PM2AL_OP_DST_IS_ONE_MINUS_SRC_ALPHA | PM2AL_332F | PM2AL_RGB); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_DITHER_MODE, PM2DM_ENABLE | PM2DM_332F | PM2DM_RGB); /* * we need the RGB colours here, so get offsets into rasops_cmap */ fgo = ((attr >> 24) & 0xf) * 3; r1 = rasops_cmap[fgo]; g1 = rasops_cmap[fgo + 1]; b1 = rasops_cmap[fgo + 2]; fg32 = ( r1 << 16) | (g1 << 8) | b1; bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_START, (y << 16) | x); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RECT_SIZE, (he << 16) | wi); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_RENDER, PM2RE_RECTANGLE | PM2RE_SYNC_ON_HOST | PM2RE_INC_X | PM2RE_INC_Y); pm2fb_wait(sc, uimin(200, ri->ri_fontscale)); /* * and now we just hammer the foreground colour and alpha values into * the upload port */ for (i = 0; i < ri->ri_fontscale; i++) { aval = *data8; pixel = fg32 | (aval << 24); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_COLOUR, pixel); if (cnt > 190) { pm2fb_wait(sc, 200); cnt = 0; } data8++; } /* * XXX * occasionally characters end up in the cache only partially drawn * apparently the blitter might end up grabbing them before they're * completely flushed out into video memory * so we let the pipeline drain a little bit before continuing */ pm2fb_wait(sc, 20); if (rv == GC_ADD) { glyphcache_add(&sc->sc_gc, c, x, y); } else if (attr & 1) pm2fb_rectfill(sc, x, y + he - 2, wi, 1, fg); } static void pm2fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct pm2fb_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; pm2fb_bitblt(sc, xs, y, xd, y, width, height, 3); } } static void pm2fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct pm2fb_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); pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); } } static void pm2fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct pm2fb_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; pm2fb_bitblt(sc, x, ys, x, yd, width, height, 3); } } static void pm2fb_eraserows(void *cookie, int row, int nrows, long fillattr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct pm2fb_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); pm2fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]); } } /* * Permedia2 can't blit outside of 2048x2048, so reject anything higher * max. dot clock is probably too high */ #define MODE_IS_VALID(m) (((m)->hdisplay < 2048) && \ ((m)->dot_clock < 230000)) static void pm2_setup_i2c(struct pm2fb_softc *sc) { int i; #ifdef PM2FB_DEBUG int j; #endif /* Fill in the i2c tag */ iic_tag_init(&sc->sc_i2c); sc->sc_i2c.ic_cookie = sc; sc->sc_i2c.ic_send_start = pm2fb_i2c_send_start; sc->sc_i2c.ic_send_stop = pm2fb_i2c_send_stop; sc->sc_i2c.ic_initiate_xfer = pm2fb_i2c_initiate_xfer; sc->sc_i2c.ic_read_byte = pm2fb_i2c_read_byte; sc->sc_i2c.ic_write_byte = pm2fb_i2c_write_byte; DPRINTF("data: %08x\n", bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA)); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, 0); /* zero out the EDID buffer */ memset(sc->sc_edid_data, 0, 128); /* Some monitors don't respond first time */ i = 0; while (sc->sc_edid_data[1] == 0 && i < 10) { ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); i++; } #ifdef PM2FB_DEBUG printf("i = %d\n", i); for (i = 0; i < 128; i += 16) { printf("%02x:", i); for (j = 0; j < 16; j++) printf(" %02x", sc->sc_edid_data[i + j]); printf("\n"); } #endif if (edid_parse(&sc->sc_edid_data[0], &sc->sc_ei) != -1) { #ifdef PM2FB_DEBUG edid_print(&sc->sc_ei); #endif /* * Now pick a mode. */ if ((sc->sc_ei.edid_preferred_mode != NULL)) { struct videomode *m = sc->sc_ei.edid_preferred_mode; if (MODE_IS_VALID(m)) { sc->sc_videomode = m; } else { aprint_error_dev(sc->sc_dev, "unable to use preferred mode\n"); } } /* * if we can't use the preferred mode go look for the * best one we can support */ if (sc->sc_videomode == NULL) { struct videomode *m = sc->sc_ei.edid_modes; sort_modes(sc->sc_ei.edid_modes, &sc->sc_ei.edid_preferred_mode, sc->sc_ei.edid_nmodes); if (sc->sc_videomode == NULL) for (int n = 0; n < sc->sc_ei.edid_nmodes; n++) if (MODE_IS_VALID(&m[n])) { sc->sc_videomode = &m[n]; break; } } } if (sc->sc_videomode == NULL) { /* no EDID data? */ sc->sc_videomode = pick_mode_by_ref(sc->sc_width, sc->sc_height, 60); } if (sc->sc_videomode != NULL) { pm2fb_set_mode(sc, sc->sc_videomode); } } /* I2C bitbanging */ static void pm2fb_i2cbb_set_bits(void *cookie, uint32_t bits) { struct pm2fb_softc *sc = cookie; uint32_t out; out = bits << 2; /* bitmasks match the IN bits */ bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA, out); delay(100); } static void pm2fb_i2cbb_set_dir(void *cookie, uint32_t dir) { /* Nothing to do */ } static uint32_t pm2fb_i2cbb_read(void *cookie) { struct pm2fb_softc *sc = cookie; uint32_t bits; bits = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_DISPLAY_DATA); return bits; } /* higher level I2C stuff */ static int pm2fb_i2c_send_start(void *cookie, int flags) { return (i2c_bitbang_send_start(cookie, flags, &pm2fb_i2cbb_ops)); } static int pm2fb_i2c_send_stop(void *cookie, int flags) { return (i2c_bitbang_send_stop(cookie, flags, &pm2fb_i2cbb_ops)); } static int pm2fb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) { return (i2c_bitbang_initiate_xfer(cookie, addr, flags, &pm2fb_i2cbb_ops)); } static int pm2fb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) { return (i2c_bitbang_read_byte(cookie, valp, flags, &pm2fb_i2cbb_ops)); } static int pm2fb_i2c_write_byte(void *cookie, uint8_t val, int flags) { return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); } static int pm2vfb_set_pll(struct pm2fb_softc *sc, int freq) { int m, n, p, diff, out_freq, bm = 1, bn = 3, bp = 0, bdiff = 1000000 /* , bfreq */; int fi; uint8_t temp; for (m = 1; m < 128; m++) { for (n = 2 * m + 1; n < 256; n++) { fi = PM2_EXT_CLOCK_FREQ * n / m; for (p = 0; p < 2; p++) { out_freq = fi >> (p + 1); diff = abs(out_freq - freq); if (diff < bdiff) { bdiff = diff; /* bfreq = out_freq; */ bm = m; bn = n; bp = p; } } } } #if 0 /* * XXX * output between switching modes and attaching a wsdisplay will * go through firmware calls on sparc64 and potentially mess up * our drawing engine state */ DPRINTF("best: %d kHz ( %d off ), %d %d %d\n", bfreq, bdiff, bm, bn, bp); #endif temp = pm2fb_read_dac(sc, PM2V_DAC_CLOCK_CONTROL) & 0xfc; pm2fb_write_dac(sc, PM2V_DAC_CONTROL, 0); pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_M, bm); pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_N, bn); pm2fb_write_dac(sc, PM2V_DAC_CLOCK_A_P, bp); pm2fb_write_dac(sc, PM2V_DAC_CLOCK_CONTROL, temp | 3); return 0; } static int pm2fb_set_pll(struct pm2fb_softc *sc, int freq) { uint8_t reg, bm = 0, bn = 0, bp = 0; unsigned int m, n, p, fi, diff, out_freq, bdiff = 1000000; for (n = 2; n < 15; n++) { for (m = 2 ; m < 256; m++) { fi = PM2_EXT_CLOCK_FREQ * m / n; if (fi >= PM2_PLL_FREQ_MIN && fi <= PM2_PLL_FREQ_MAX) { for (p = 0; p < 5; p++) { out_freq = fi >> p; diff = abs(out_freq - freq); if (diff < bdiff) { bm = m; bn = n; bp = p; bdiff = diff; } } } } } pm2fb_write_dac(sc, PM2_DAC_PIXELCLKA_M, bm); pm2fb_write_dac(sc, PM2_DAC_PIXELCLKA_N, bn); pm2fb_write_dac(sc, PM2_DAC_PIXELCLKA_P, (bp | 0x08)); do { reg = bus_space_read_1(sc->sc_memt, sc->sc_regh, PM2_DAC_INDEX_DATA); } while (reg == PCLK_LOCKED); return 0; } /* * most of the following was adapted from the xf86-video-glint driver's * pm2_dac.c (8bpp only) */ static void pm2fb_set_dac(struct pm2fb_softc *sc, const struct videomode *mode) { int t1, t2, t3, t4, stride; uint32_t vclk, tmp; uint8_t sync = 0; t1 = mode->hsync_start - mode->hdisplay; t2 = mode->vsync_start - mode->vdisplay; t3 = mode->hsync_end - mode->hsync_start; t4 = mode->vsync_end - mode->vsync_start; /* first round up to the next multiple of 32 */ stride = (mode->hdisplay + 31) & ~31; /* then find the next bigger one that we have partial products for */ while ((partprodPermedia[stride >> 5] == -1) && (stride < 2048)) { stride += 32; } bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HTOTAL, ((mode->htotal) >> 2) - 1); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_END, (t1 + t3) >> 2); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_START, (t1 >> 2)); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HBLANK_END, (mode->htotal - mode->hdisplay) >> 2); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HGATE_END, (mode->htotal - mode->hdisplay) >> 2); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_STRIDE, stride >> 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VTOTAL, mode->vtotal - 2); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_END, t2 + t4 - 1); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_START, t2 - 1); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VBLANK_END, mode->vtotal - mode->vdisplay); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VIDEO_CONTROL, PM2_VC_VIDEO_ENABLE | PM2_VC_HSYNC_ACT_HIGH | PM2_VC_VSYNC_ACT_HIGH); vclk = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, vclk & 0xfffffffc); tmp = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_CHIP_CONFIG); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_CHIP_CONFIG, tmp & 0xffffffdd); pm2fb_write_dac(sc, PM2_DAC_MODE_CONTROL, MOC_BUFFERFRONT); pm2fb_set_pll(sc, mode->dot_clock); sync = MC_PALETTE_8BIT; if (!(mode->flags & VID_PHSYNC)) sync |= MC_HSYNC_INV; if (!(mode->flags & VID_PVSYNC)) sync |= MC_VSYNC_INV; pm2fb_write_dac(sc, PM2_DAC_MISC_CONTROL, sync); pm2fb_write_dac(sc, PM2_DAC_COLOR_MODE, CM_PALETTE | CM_GUI_ENABLE | CM_RGB); sc->sc_width = mode->hdisplay; sc->sc_height = mode->vdisplay; sc->sc_depth = 8; sc->sc_stride = stride; aprint_normal_dev(sc->sc_dev, "pm2 using %d x %d in 8 bit, stride %d\n", sc->sc_width, sc->sc_height, stride); } /* * most of the following was adapted from the xf86-video-glint driver's * pm2v_dac.c */ static void pm2vfb_set_dac(struct pm2fb_softc *sc, const struct videomode *mode) { int t1, t2, t3, t4, stride; uint32_t vclk; uint8_t sync = 0; t1 = mode->hsync_start - mode->hdisplay; t2 = mode->vsync_start - mode->vdisplay; t3 = mode->hsync_end - mode->hsync_start; t4 = mode->vsync_end - mode->vsync_start; bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HTOTAL, ((mode->htotal) >> 3) - 1); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_END, (t1 + t3) >> 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_START, (t1 >> 3) - 1); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HBLANK_END, (mode->htotal - mode->hdisplay) >> 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HGATE_END, (mode->htotal - mode->hdisplay) >> 3); /* first round up to the next multiple of 32 */ stride = (mode->hdisplay + 31) & ~31; /* then find the next bigger one that we have partial products for */ while ((partprodPermedia[stride >> 5] == -1) && (stride < 2048)) { stride += 32; } bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_STRIDE, stride >> 3); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VTOTAL, mode->vtotal - 1); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_END, t2 + t4); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_START, t2); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VBLANK_END, mode->vtotal - mode->vdisplay); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VIDEO_CONTROL, PM2_VC_VIDEO_ENABLE | PM2_VC_RAMDAC_64BIT | PM2_VC_HSYNC_ACT_HIGH | PM2_VC_VSYNC_ACT_HIGH); vclk = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL); bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, vclk & 0xfffffffc); pm2vfb_set_pll(sc, mode->dot_clock / 2); pm2fb_write_dac(sc, PM2V_DAC_MISC_CONTROL, PM2V_DAC_8BIT); if (mode->flags & VID_PHSYNC) sync |= PM2V_DAC_HSYNC_INV; if (mode->flags & VID_PVSYNC) sync |= PM2V_DAC_VSYNC_INV; pm2fb_write_dac(sc, PM2V_DAC_SYNC_CONTROL, sync); pm2fb_write_dac(sc, PM2V_DAC_COLOR_FORMAT, PM2V_DAC_PALETTE); pm2fb_write_dac(sc, PM2V_DAC_PIXEL_SIZE, PM2V_PS_8BIT); sc->sc_width = mode->hdisplay; sc->sc_height = mode->vdisplay; sc->sc_depth = 8; sc->sc_stride = stride; aprint_normal_dev(sc->sc_dev, "pm2v using %d x %d in 8 bit, stride %d\n", sc->sc_width, sc->sc_height, stride); } static void pm2fb_set_mode(struct pm2fb_softc *sc, const struct videomode *mode) { if (sc->sc_is_pm2) { pm2fb_set_dac(sc, mode); } else { pm2vfb_set_dac(sc, mode); } }