/* $NetBSD: crmfb.c,v 1.44.2.1 2018/03/18 11:08:04 martin Exp $ */ /*- * Copyright (c) 2007 Jared D. McNeill * 2008 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ /* * SGI-CRM (O2) Framebuffer driver */ #include __KERNEL_RCSID(0, "$NetBSD: crmfb.c,v 1.44.2.1 2018/03/18 11:08:04 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "opt_crmfb.h" #ifdef CRMFB_DEBUG #define DPRINTF printf #else #define DPRINTF while (0) printf #endif struct wsscreen_descr crmfb_defaultscreen = { "default", 0, 0, NULL, 8, 16, WSSCREEN_WSCOLORS | WSSCREEN_RESIZE, NULL, }; const struct wsscreen_descr *_crmfb_scrlist[] = { &crmfb_defaultscreen, }; struct wsscreen_list crmfb_screenlist = { sizeof(_crmfb_scrlist) / sizeof(struct wsscreen_descr *), _crmfb_scrlist }; static struct vcons_screen crmfb_console_screen; static int crmfb_ioctl(void *, void *, u_long, void *, int, struct lwp *); static paddr_t crmfb_mmap(void *, void *, off_t, int); static void crmfb_init_screen(void *, struct vcons_screen *, int, long *); struct wsdisplay_accessops crmfb_accessops = { crmfb_ioctl, crmfb_mmap, NULL, /* alloc_screen */ NULL, /* free_screen */ NULL, /* show_screen */ NULL, /* load_font */ NULL, /* pollc */ NULL, /* scroll */ }; /* Memory to allocate to SGI-CRM -- remember, this is stolen from * host memory! */ #define CRMFB_TILESIZE (512*128) static int crmfb_match(device_t, struct cfdata *, void *); static void crmfb_attach(device_t, device_t, void *); int crmfb_probe(void); #define KERNADDR(p) ((void *)((p).addr)) #define DMAADDR(p) ((p).map->dm_segs[0].ds_addr) #define CRMFB_REG_MASK(msb, lsb) \ ( (((uint32_t) 1 << ((msb)-(lsb)+1)) - 1) << (lsb) ) struct crmfb_dma { bus_dmamap_t map; void *addr; bus_dma_segment_t segs[1]; int nsegs; size_t size; }; struct crmfb_softc { device_t sc_dev; struct vcons_data sc_vd; struct i2c_controller sc_i2c; int sc_dir; bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; bus_space_handle_t sc_reh; bus_dma_tag_t sc_dmat; struct crmfb_dma sc_dma; struct crmfb_dma sc_dmai; int sc_width; int sc_height; int sc_depth; int sc_console_depth; int sc_tiles_x, sc_tiles_y; uint32_t sc_fbsize; int sc_mte_direction; int sc_mte_x_shift; uint32_t sc_mte_mode; uint32_t sc_de_mode; uint32_t sc_src_mode; uint32_t sc_dst_mode; int sc_needs_sync; uint8_t *sc_lptr; paddr_t sc_linear; uint32_t sc_vtflags; int sc_wsmode, sc_video_on; uint8_t sc_edid_data[128]; struct edid_info sc_edid_info; /* cursor stuff */ int sc_cur_x; int sc_cur_y; int sc_hot_x; int sc_hot_y; u_char sc_cmap_red[256]; u_char sc_cmap_green[256]; u_char sc_cmap_blue[256]; }; static int crmfb_putcmap(struct crmfb_softc *, struct wsdisplay_cmap *); static int crmfb_getcmap(struct crmfb_softc *, struct wsdisplay_cmap *); static void crmfb_set_palette(struct crmfb_softc *, int, uint8_t, uint8_t, uint8_t); static int crmfb_set_curpos(struct crmfb_softc *, int, int); static int crmfb_gcursor(struct crmfb_softc *, struct wsdisplay_cursor *); static int crmfb_scursor(struct crmfb_softc *, struct wsdisplay_cursor *); static inline void crmfb_write_reg(struct crmfb_softc *, int, uint32_t); static inline uint32_t crmfb_read_reg(struct crmfb_softc *, int); static int crmfb_wait_dma_idle(struct crmfb_softc *); /* setup video hw in given colour depth */ static int crmfb_setup_video(struct crmfb_softc *, int); static void crmfb_setup_palette(struct crmfb_softc *); static void crmfb_fill_rect(struct crmfb_softc *, int, int, int, int, uint32_t); static void crmfb_bitblt(struct crmfb_softc *, int, int, int, int, int, int, uint32_t); static void crmfb_scroll(struct crmfb_softc *, int, int, int, int, int, int); static void crmfb_copycols(void *, int, int, int, int); static void crmfb_erasecols(void *, int, int, int, long); static void crmfb_copyrows(void *, int, int, int); static void crmfb_eraserows(void *, int, int, long); static void crmfb_cursor(void *, int, int, int); static void crmfb_putchar(void *, int, int, u_int, long); static void crmfb_putchar_aa(void *, int, int, u_int, long); /* I2C glue */ static int crmfb_i2c_acquire_bus(void *, int); static void crmfb_i2c_release_bus(void *, int); static int crmfb_i2c_send_start(void *, int); static int crmfb_i2c_send_stop(void *, int); static int crmfb_i2c_initiate_xfer(void *, i2c_addr_t, int); static int crmfb_i2c_read_byte(void *, uint8_t *, int); static int crmfb_i2c_write_byte(void *, uint8_t, int); /* I2C bitbang glue */ static void crmfb_i2cbb_set_bits(void *, uint32_t); static void crmfb_i2cbb_set_dir(void *, uint32_t); static uint32_t crmfb_i2cbb_read(void *); static const struct i2c_bitbang_ops crmfb_i2cbb_ops = { crmfb_i2cbb_set_bits, crmfb_i2cbb_set_dir, crmfb_i2cbb_read, { CRMFB_I2C_SDA, CRMFB_I2C_SCL, 0, 1 } }; static void crmfb_setup_ddc(struct crmfb_softc *); /* mode setting stuff */ static uint32_t calc_pll(int); /* frequency in kHz */ static int crmfb_set_mode(struct crmfb_softc *, const struct videomode *); static int crmfb_parse_mode(const char *, struct videomode *); CFATTACH_DECL_NEW(crmfb, sizeof(struct crmfb_softc), crmfb_match, crmfb_attach, NULL, NULL); static int crmfb_match(device_t parent, struct cfdata *cf, void *opaque) { return crmfb_probe(); } static void crmfb_attach(device_t parent, device_t self, void *opaque) { struct mainbus_attach_args *ma; struct crmfb_softc *sc; struct rasops_info *ri; struct wsemuldisplaydev_attach_args aa; uint32_t d, h; uint16_t *p; unsigned long v; long defattr; const char *consdev; const char *modestr; struct videomode mode, *pmode; int rv, i; sc = device_private(self); sc->sc_dev = self; ma = (struct mainbus_attach_args *)opaque; sc->sc_iot = normal_memt; sc->sc_dmat = &sgimips_default_bus_dma_tag; sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL; aprint_normal(": SGI CRIME Graphics Display Engine\n"); rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */, BUS_SPACE_MAP_LINEAR, &sc->sc_ioh); if (rv) panic("crmfb_attach: can't map I/O space"); rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh); if (rv) panic("crmfb_attach: can't map rendering engine"); /* determine mode configured by firmware */ d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP); sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff; d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP); sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff; d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE); h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3; if (h == 0) sc->sc_depth = 8; else if (h == 1) sc->sc_depth = 16; else sc->sc_depth = 32; if (sc->sc_width == 0 || sc->sc_height == 0) { /* * XXX * actually, these days we probably could */ aprint_error_dev(sc->sc_dev, "device unusable if not setup by firmware\n"); bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */); return; } aprint_normal_dev(sc->sc_dev, "initial resolution %dx%d\n", sc->sc_width, sc->sc_height); sc->sc_console_depth = 8; crmfb_setup_ddc(sc); pmode = sc->sc_edid_info.edid_preferred_mode; modestr = arcbios_GetEnvironmentVariable("crmfb_mode"); if (crmfb_parse_mode(modestr, &mode) == 0) pmode = &mode; if (pmode != NULL && crmfb_set_mode(sc, pmode)) aprint_normal_dev(sc->sc_dev, "using %dx%d\n", sc->sc_width, sc->sc_height); /* * first determine how many tiles we need * in 32bit each tile is 128x128 pixels */ sc->sc_tiles_x = (sc->sc_width + 127) >> 7; sc->sc_tiles_y = (sc->sc_height + 127) >> 7; sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y; sc->sc_dmai.size = 256 * sizeof(uint16_t); rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0, sc->sc_dmai.segs, sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]), &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT); if (rv) panic("crmfb_attach: can't allocate DMA memory"); rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs, sc->sc_dmai.size, &sc->sc_dmai.addr, BUS_DMA_NOWAIT); if (rv) panic("crmfb_attach: can't map DMA memory"); rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1, sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map); if (rv) panic("crmfb_attach: can't create DMA map"); rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr, sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT); if (rv) panic("crmfb_attach: can't load DMA map"); /* allocate an extra 128Kb for a linear buffer */ sc->sc_dma.size = 0x10000 * (16 * sc->sc_tiles_x + 2); rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0, sc->sc_dma.segs, sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]), &sc->sc_dma.nsegs, BUS_DMA_NOWAIT); if (rv) panic("crmfb_attach: can't allocate DMA memory"); rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs, sc->sc_dma.size, &sc->sc_dma.addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); if (rv) panic("crmfb_attach: can't map DMA memory"); rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1, sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map); if (rv) panic("crmfb_attach: can't create DMA map"); rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr, sc->sc_dma.size, NULL, BUS_DMA_NOWAIT); if (rv) panic("crmfb_attach: can't load DMA map"); p = KERNADDR(sc->sc_dmai); v = (unsigned long)DMAADDR(sc->sc_dma); for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) { p[i] = ((uint32_t)v >> 16) + i; } bus_dmamap_sync(sc->sc_dmat, sc->sc_dmai.map, 0, sc->sc_dmai.size, BUS_DMASYNC_PREWRITE); sc->sc_linear = (paddr_t)DMAADDR(sc->sc_dma) + 0x100000 * sc->sc_tiles_x; sc->sc_lptr = (char *)KERNADDR(sc->sc_dma) + (0x100000 * sc->sc_tiles_x); aprint_normal_dev(sc->sc_dev, "allocated %d byte fb @ %p (%p)\n", sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma)); crmfb_setup_video(sc, sc->sc_console_depth); ri = &crmfb_console_screen.scr_ri; memset(ri, 0, sizeof(struct rasops_info)); sc->sc_video_on = 1; vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops); sc->sc_vd.init_screen = crmfb_init_screen; crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr); crmfb_defaultscreen.ncols = ri->ri_cols; crmfb_defaultscreen.nrows = ri->ri_rows; crmfb_defaultscreen.textops = &ri->ri_ops; crmfb_defaultscreen.capabilities = ri->ri_caps; crmfb_defaultscreen.modecookie = NULL; crmfb_setup_palette(sc); crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height, ri->ri_devcmap[(defattr >> 16) & 0xff]); consdev = arcbios_GetEnvironmentVariable("ConsoleOut"); if (consdev != NULL && strcmp(consdev, "video()") == 0) { wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr); vcons_replay_msgbuf(&crmfb_console_screen); aa.console = 1; } else aa.console = 0; aa.scrdata = &crmfb_screenlist; aa.accessops = &crmfb_accessops; aa.accesscookie = &sc->sc_vd; config_found(self, &aa, wsemuldisplaydevprint); sc->sc_cur_x = 0; sc->sc_cur_y = 0; sc->sc_hot_x = 0; sc->sc_hot_y = 0; return; } int crmfb_probe(void) { if (mach_type != MACH_SGI_IP32) return 0; return 1; } static int crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) { struct vcons_data *vd; struct crmfb_softc *sc; struct wsdisplay_fbinfo *wdf; int nmode; vd = (struct vcons_data *)v; sc = (struct crmfb_softc *)vd->cookie; switch (cmd) { case WSDISPLAYIO_GTYPE: /* not really, but who cares? */ /* xf86-video-crime does */ *(u_int *)data = WSDISPLAY_TYPE_CRIME; return 0; case WSDISPLAYIO_GINFO: if (vd->active != NULL) { wdf = (void *)data; wdf->height = sc->sc_height; wdf->width = sc->sc_width; wdf->depth = 32; wdf->cmsize = 256; return 0; } else return ENODEV; case WSDISPLAYIO_GETCMAP: if (sc->sc_depth == 8) return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data); else return EINVAL; case WSDISPLAYIO_PUTCMAP: if (sc->sc_depth == 8) return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data); else return EINVAL; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = sc->sc_width * sc->sc_depth / 8; return 0; case WSDISPLAYIO_SMODE: nmode = *(int *)data; if (nmode != sc->sc_wsmode) { sc->sc_wsmode = nmode; if (nmode == WSDISPLAYIO_MODE_EMUL) { crmfb_setup_video(sc, sc->sc_console_depth); crmfb_setup_palette(sc); vcons_redraw_screen(vd->active); } else { crmfb_setup_video(sc, 32); } } return 0; case WSDISPLAYIO_SVIDEO: { int d = *(int *)data; if (d == sc->sc_video_on) return 0; sc->sc_video_on = d; if (d == WSDISPLAYIO_VIDEO_ON) { crmfb_write_reg(sc, CRMFB_VT_FLAGS, sc->sc_vtflags); } else { /* turn all SYNCs off */ crmfb_write_reg(sc, CRMFB_VT_FLAGS, sc->sc_vtflags | CRMFB_VT_FLAGS_VDRV_LOW | CRMFB_VT_FLAGS_HDRV_LOW | CRMFB_VT_FLAGS_SYNC_LOW); } } return 0; case WSDISPLAYIO_GVIDEO: *(int *)data = sc->sc_video_on; return 0; case WSDISPLAYIO_GCURPOS: { struct wsdisplay_curpos *pos; pos = (struct wsdisplay_curpos *)data; pos->x = sc->sc_cur_x; pos->y = sc->sc_cur_y; } return 0; case WSDISPLAYIO_SCURPOS: { struct wsdisplay_curpos *pos; pos = (struct wsdisplay_curpos *)data; crmfb_set_curpos(sc, pos->x, pos->y); } return 0; case WSDISPLAYIO_GCURMAX: { struct wsdisplay_curpos *pos; pos = (struct wsdisplay_curpos *)data; pos->x = 32; pos->y = 32; } return 0; case WSDISPLAYIO_GCURSOR: { struct wsdisplay_cursor *cu; cu = (struct wsdisplay_cursor *)data; return crmfb_gcursor(sc, cu); } case WSDISPLAYIO_SCURSOR: { struct wsdisplay_cursor *cu; cu = (struct wsdisplay_cursor *)data; return crmfb_scursor(sc, cu); } case WSDISPLAYIO_GET_EDID: { struct wsdisplayio_edid_info *d = data; d->data_size = 128; if (d->buffer_size < 128) return EAGAIN; if (sc->sc_edid_data[1] == 0) return ENODATA; return copyout(sc->sc_edid_data, d->edid_data, 128); } } return EPASSTHROUGH; } static paddr_t crmfb_mmap(void *v, void *vs, off_t offset, int prot) { struct vcons_data *vd; struct crmfb_softc *sc; paddr_t pa; vd = (struct vcons_data *)v; sc = (struct crmfb_softc *)vd->cookie; /* we probably shouldn't let anyone mmap the framebuffer */ #if 1 if (offset >= 0 && offset < (0x100000 * sc->sc_tiles_x)) { pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs, offset, prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_PREFETCHABLE); return pa; } #endif /* * here would the TLBs be but we don't want to show them to userland * so we return the page containing the status register */ if ((offset >= 0x15000000) && (offset < 0x15002000)) return bus_space_mmap(sc->sc_iot, 0x15004000, 0, prot, 0); /* now the actual engine registers */ if ((offset >= 0x15002000) && (offset < 0x15005000)) return bus_space_mmap(sc->sc_iot, offset, 0, prot, 0); /* and now the linear area */ if ((offset >= 0x15010000) && (offset < 0x15030000)) return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs, offset + (0x100000 * sc->sc_tiles_x) - 0x15010000, prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_PREFETCHABLE); return -1; } static void crmfb_init_screen(void *c, struct vcons_screen *scr, int existing, long *defattr) { struct crmfb_softc *sc; struct rasops_info *ri; sc = (struct crmfb_softc *)c; ri = &scr->scr_ri; scr->scr_flags |= VCONS_LOADFONT; ri->ri_flg = RI_CENTER | RI_FULLCLEAR | RI_ENABLE_ALPHA | RI_PREFER_ALPHA; ri->ri_depth = sc->sc_console_depth; ri->ri_width = sc->sc_width; ri->ri_height = sc->sc_height; ri->ri_stride = ri->ri_width * (ri->ri_depth / 8); switch (ri->ri_depth) { case 8: ri->ri_flg |= RI_8BIT_IS_RGB; break; case 16: ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5; ri->ri_rpos = 11; ri->ri_gpos = 6; ri->ri_bpos = 1; break; case 32: ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8; ri->ri_rpos = 8; ri->ri_gpos = 16; ri->ri_bpos = 24; break; } ri->ri_bits = NULL; rasops_init(ri, 0, 0); ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_RESIZE; rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, ri->ri_width / ri->ri_font->fontwidth); ri->ri_hw = scr; ri->ri_ops.cursor = crmfb_cursor; ri->ri_ops.copyrows = crmfb_copyrows; ri->ri_ops.eraserows = crmfb_eraserows; ri->ri_ops.copycols = crmfb_copycols; ri->ri_ops.erasecols = crmfb_erasecols; if (FONT_IS_ALPHA(ri->ri_font)) { ri->ri_ops.putchar = crmfb_putchar_aa; } else { ri->ri_ops.putchar = crmfb_putchar; } return; } static int crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm) { u_int idx, cnt; u_char r[256], g[256], b[256]; u_char *rp, *gp, *bp; int rv, i; idx = cm->index; cnt = cm->count; if (idx >= 255 || cnt > 256 || idx + cnt > 256) return EINVAL; rv = copyin(cm->red, &r[idx], cnt); if (rv) return rv; rv = copyin(cm->green, &g[idx], cnt); if (rv) return rv; rv = copyin(cm->blue, &b[idx], cnt); if (rv) return rv; memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt); memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt); memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt); rp = &sc->sc_cmap_red[idx]; gp = &sc->sc_cmap_green[idx]; bp = &sc->sc_cmap_blue[idx]; for (i = 0; i < cnt; i++) { crmfb_set_palette(sc, idx, *rp, *gp, *bp); idx++; rp++, gp++, bp++; } return 0; } static int crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm) { u_int idx, cnt; int rv; idx = cm->index; cnt = cm->count; if (idx >= 255 || cnt > 256 || idx + cnt > 256) return EINVAL; rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt); if (rv) return rv; rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt); if (rv) return rv; rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt); if (rv) return rv; return 0; } static void crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g, uint8_t b) { uint32_t val; if (reg > 255 || sc->sc_depth != 8) return; while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63) DELAY(10); val = (r << 8) | (g << 16) | (b << 24); crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val); return; } static int crmfb_set_curpos(struct crmfb_softc *sc, int x, int y) { uint32_t val; sc->sc_cur_x = x; sc->sc_cur_y = y; val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16); crmfb_write_reg(sc, CRMFB_CURSOR_POS, val); return 0; } static int crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur) { /* do nothing for now */ return 0; } static int crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur) { if (cur->which & WSDISPLAY_CURSOR_DOCUR) { crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0); } if (cur->which & WSDISPLAY_CURSOR_DOHOT) { sc->sc_hot_x = cur->hot.x; sc->sc_hot_y = cur->hot.y; } if (cur->which & WSDISPLAY_CURSOR_DOPOS) { crmfb_set_curpos(sc, cur->pos.x, cur->pos.y); } if (cur->which & WSDISPLAY_CURSOR_DOCMAP) { int i; uint32_t val; for (i = 0; i < cur->cmap.count; i++) { val = (cur->cmap.red[i] << 24) | (cur->cmap.green[i] << 16) | (cur->cmap.blue[i] << 8); crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 + ((i + cur->cmap.index) << 2), val); } } if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) { int i, j, cnt = 0; uint32_t latch = 0, omask; uint8_t imask; for (i = 0; i < 64; i++) { omask = 0x80000000; imask = 0x01; cur->image[cnt] &= cur->mask[cnt]; for (j = 0; j < 8; j++) { if (cur->image[cnt] & imask) latch |= omask; omask >>= 1; if (cur->mask[cnt] & imask) latch |= omask; omask >>= 1; imask <<= 1; } cnt++; imask = 0x01; cur->image[cnt] &= cur->mask[cnt]; for (j = 0; j < 8; j++) { if (cur->image[cnt] & imask) latch |= omask; omask >>= 1; if (cur->mask[cnt] & imask) latch |= omask; omask >>= 1; imask <<= 1; } cnt++; crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2), latch); latch = 0; } } return 0; } static inline void crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val) { bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val); wbflush(); } static inline uint32_t crmfb_read_reg(struct crmfb_softc *sc, int offset) { return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset); } static inline void crmfb_wait_idle(struct crmfb_softc *sc) { int i = 0; do { i++; } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) & CRIME_DE_IDLE) == 0) && (i < 100000000)); if (i >= 100000000) aprint_error("crmfb_wait_idle() timed out\n"); sc->sc_needs_sync = 0; } /* writes to CRIME_DE_MODE_* only take effect when the engine is idle */ static inline void crmfb_src_mode(struct crmfb_softc *sc, uint32_t mode) { if (mode == sc->sc_src_mode) return; bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode); sc->sc_needs_sync = 1; sc->sc_src_mode = mode; } static inline void crmfb_dst_mode(struct crmfb_softc *sc, uint32_t mode) { if (mode == sc->sc_dst_mode) return; bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode); sc->sc_needs_sync = 1; sc->sc_dst_mode = mode; } static inline void crmfb_make_room(struct crmfb_softc *sc, int num) { int i = 0, slots; uint32_t status; if (sc->sc_needs_sync != 0) { crmfb_wait_idle(sc); return; } do { i++; status = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS); slots = 60 - CRIME_PIPE_LEVEL(status); } while (slots <= num); } static int crmfb_wait_dma_idle(struct crmfb_softc *sc) { int bail = 100000, idle; do { idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL) & 1) == 0) && ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL) & 1) == 0) && ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DID_CONTROL) & 1) == 0); if (!idle) delay(10); bail--; } while ((!idle) && (bail > 0)); return idle; } static int crmfb_setup_video(struct crmfb_softc *sc, int depth) { uint64_t reg; uint32_t d, h, page; int i, bail, tile_width, tlbptr, lptr, j, tx, shift, overhang; const char *wantsync; uint16_t v; /* disable DMA */ d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL); d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT); crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d); DELAY(50000); d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL); d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT); crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d); DELAY(50000); crmfb_write_reg(sc, CRMFB_DID_CONTROL, d); DELAY(50000); if (!crmfb_wait_dma_idle(sc)) aprint_error("crmfb: crmfb_wait_dma_idle timed out\n"); /* ensure that CRM starts drawing at the top left of the screen * when we re-enable DMA later */ d = (1 << CRMFB_VT_XY_FREEZE_SHIFT); crmfb_write_reg(sc, CRMFB_VT_XY, d); delay(1000); d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK); d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT); crmfb_write_reg(sc, CRMFB_DOTCLOCK, d); /* wait for dotclock to turn off */ bail = 10000; while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) & (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) { delay(10); bail--; } /* reset FIFO */ d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE); d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT); crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d); d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT); crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d); /* setup colour mode */ switch (depth) { case 8: h = CRMFB_MODE_TYP_RG3B2; tile_width = 512; break; case 16: h = CRMFB_MODE_TYP_ARGB5; tile_width = 256; break; case 32: h = CRMFB_MODE_TYP_RGB8; tile_width = 128; break; default: panic("Unsupported depth"); } d = h << CRMFB_MODE_TYP_SHIFT; d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT; for (i = 0; i < (32 * 4); i += 4) bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d); wbflush(); /* setup tile pointer, but don't turn on DMA yet! */ h = DMAADDR(sc->sc_dmai); d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT; crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d); /* init framebuffer width and pixel size */ /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/ d = ((int)(sc->sc_width / tile_width)) << CRMFB_FRM_TILESIZE_WIDTH_SHIFT; overhang = sc->sc_width % tile_width; if (overhang != 0) { uint32_t val; DPRINTF("tile width: %d\n", tile_width); DPRINTF("overhang: %d\n", overhang); val = (overhang * (depth >> 3)) >> 5; DPRINTF("reg: %08x\n", val); d |= (val & 0x1f); DPRINTF("d: %08x\n", d); } switch (depth) { case 8: h = CRMFB_FRM_TILESIZE_DEPTH_8; break; case 16: h = CRMFB_FRM_TILESIZE_DEPTH_16; break; case 32: h = CRMFB_FRM_TILESIZE_DEPTH_32; break; default: panic("Unsupported depth"); } d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT); crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d); /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/ h = sc->sc_height; d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT; crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d); /* turn off firmware overlay and hardware cursor */ crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0); crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0); /* turn on DMA for the framebuffer */ d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL); d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT); crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d); /* enable drawing again */ crmfb_write_reg(sc, CRMFB_VT_XY, 0); d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK); d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT); crmfb_write_reg(sc, CRMFB_DOTCLOCK, d); /* turn off sync-on-green */ wantsync = arcbios_GetEnvironmentVariable("SyncOnGreen"); if ( (wantsync != NULL) && (wantsync[0] == 'n') ) { sc->sc_vtflags |= CRMFB_VT_FLAGS_SYNC_LOW; crmfb_write_reg(sc, CRMFB_VT_FLAGS, d); } sc->sc_depth = depth; /* finally set up the drawing engine's TLB A */ v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff; tlbptr = 0; tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) / tile_width; DPRINTF("tx: %d\n", tx); for (i = 0; i < 16; i++) { reg = 0; shift = 64; lptr = 0; for (j = 0; j < tx; j++) { shift -= 16; reg |= (((uint64_t)(v | 0x8000)) << shift); if (shift == 0) { shift = 64; bus_space_write_8(sc->sc_iot, sc->sc_reh, CRIME_RE_TLB_A + tlbptr + lptr, reg); DPRINTF("%04x: %016"PRIx64"\n", tlbptr + lptr, reg); reg = 0; lptr += 8; } v++; } if (shift != 64) { bus_space_write_8(sc->sc_iot, sc->sc_reh, CRIME_RE_TLB_A + tlbptr + lptr, reg); DPRINTF("%04x: %016"PRIx64"\n", tlbptr + lptr, reg); } tlbptr += 32; } /* now put the last 128kB into the 1st linear TLB */ page = (sc->sc_linear >> 12) | 0x80000000; tlbptr = 0; for (i = 0; i < 16; i++) { reg = ((uint64_t)page << 32) | (page + 1); bus_space_write_8(sc->sc_iot, sc->sc_reh, CRIME_RE_LINEAR_A + tlbptr, reg); page += 2; tlbptr += 8; } wbflush(); /* do some very basic engine setup */ bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK, 0xffffffff); bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0); bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0); bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0); bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0); bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0); switch (depth) { case 8: sc->sc_de_mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8; sc->sc_mte_mode = MTE_MODE_DST_ECC | (MTE_TLB_A << MTE_DST_TLB_SHIFT) | (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | (MTE_DEPTH_8 << MTE_DEPTH_SHIFT); sc->sc_mte_x_shift = 0; break; case 16: sc->sc_de_mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 | DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_16; sc->sc_mte_mode = MTE_MODE_DST_ECC | (MTE_TLB_A << MTE_DST_TLB_SHIFT) | (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | (MTE_DEPTH_16 << MTE_DEPTH_SHIFT); sc->sc_mte_x_shift = 1; break; case 32: sc->sc_de_mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 | DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32; sc->sc_mte_mode = MTE_MODE_DST_ECC | (MTE_TLB_A << MTE_DST_TLB_SHIFT) | (MTE_TLB_A << MTE_SRC_TLB_SHIFT) | (MTE_DEPTH_32 << MTE_DEPTH_SHIFT); sc->sc_mte_x_shift = 2; break; default: panic("%s: unsuported colour depth %d\n", __func__, depth); } sc->sc_needs_sync = 0; sc->sc_src_mode = 0xffffffff; sc->sc_dst_mode = 0xffffffff; crmfb_src_mode(sc, sc->sc_de_mode); crmfb_dst_mode(sc, sc->sc_de_mode); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1); /* initialize memory transfer engine */ bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, sc->sc_mte_mode | MTE_MODE_COPY); sc->sc_mte_direction = 1; bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, 1); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, 1); return 0; } static void crmfb_set_mte_direction(struct crmfb_softc *sc, int dir) { if (dir == sc->sc_mte_direction) return; crmfb_make_room(sc, 2); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, dir); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, dir); sc->sc_mte_direction = dir; } static void crmfb_setup_palette(struct crmfb_softc *sc) { int i, j, x; uint32_t col; struct rasops_info *ri = &crmfb_console_screen.scr_ri; for (i = 0; i < 256; i++) { crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2], rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]); sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2]; sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1]; sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0]; } if (FONT_IS_ALPHA(ri->ri_font)) { sc->sc_de_mode = (sc->sc_de_mode & ~DE_MODE_TYPE_MASK) | DE_MODE_TYPE_RGB; } /* draw 16 character cells in 32bit RGBA for alpha blending */ crmfb_make_room(sc, 3); crmfb_dst_mode(sc, DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 | DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE, DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, DE_PRIM_RECTANGLE | DE_PRIM_TB); j = 0; x = 0; for (i = 0; i < 16; i++) { crmfb_make_room(sc, 2); col = (rasops_cmap[j] << 24) | (rasops_cmap[j + 1] << 16) | (rasops_cmap[j + 2] << 8); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FG, col); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, (x << 16) | ((sc->sc_height - 500) & 0xffff)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_1 | CRIME_DE_START, ((x + ri->ri_font->fontwidth - 1) << 16) | ((sc->sc_height + ri->ri_font->fontheight - 1) & 0xffff)); j += 3; x += ri->ri_font->fontwidth; } crmfb_dst_mode(sc, sc->sc_de_mode); } static void crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height, uint32_t colour) { int rxa, rxe; rxa = x << sc->sc_mte_x_shift; rxe = ((x + width) << sc->sc_mte_x_shift) - 1; crmfb_set_mte_direction(sc, 1); crmfb_make_room(sc, 4); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, sc->sc_mte_mode | 0); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, colour); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, (rxa << 16) | (y & 0xffff)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 | CRIME_DE_START, (rxe << 16) | ((y + height - 1) & 0xffff)); } static void crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd, int wi, int he, uint32_t rop) { uint32_t prim = DE_PRIM_RECTANGLE; int rxa, rya, rxe, rye, rxs, rys; crmfb_make_room(sc, 2); crmfb_src_mode(sc, sc->sc_de_mode); crmfb_make_room(sc, 6); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE, DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP | DE_DRAWMODE_XFER_EN); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop); if (xs < xd) { prim |= DE_PRIM_RL; rxe = xd; rxa = xd + wi - 1; rxs = xs + wi - 1; } else { prim |= DE_PRIM_LR; rxe = xd + wi - 1; rxa = xd; rxs = xs; } if (ys < yd) { prim |= DE_PRIM_BT; rye = yd; rya = yd + he - 1; rys = ys + he - 1; } else { prim |= DE_PRIM_TB; rye = yd + he - 1; rya = yd; rys = ys; } bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, (rxs << 16) | (rys & 0xffff)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, (rxa << 16) | (rya & 0xffff)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_1 | CRIME_DE_START, (rxe << 16) | (rye & 0xffff)); } static void crmfb_scroll(struct crmfb_softc *sc, int xs, int ys, int xd, int yd, int wi, int he) { int rxa, rya, rxe, rye, rxd, ryd, rxde, ryde; rxa = xs << sc->sc_mte_x_shift; rxd = xd << sc->sc_mte_x_shift; rxe = ((xs + wi) << sc->sc_mte_x_shift) - 1; rxde = ((xd + wi) << sc->sc_mte_x_shift) - 1; crmfb_make_room(sc, 1); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE, sc->sc_mte_mode | MTE_MODE_COPY); if (ys < yd) { /* bottom to top */ rye = ys; rya = ys + he - 1; ryd = yd + he - 1; ryde = yd; crmfb_set_mte_direction(sc, -1); } else { /* top to bottom */ rye = ys + he - 1; rya = ys; ryd = yd; ryde = yd + he - 1; crmfb_set_mte_direction(sc, 1); } crmfb_make_room(sc, 4); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, (rxa << 16) | rya); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, (rxe << 16) | rye); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, (rxd << 16) | ryd); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 | CRIME_DE_START, (rxde << 16) | ryde); } static void crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; int32_t xs, xd, y, width, height; 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; crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3); } static void crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; int32_t x, y, width, height, bg; 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; bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg); } static void crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; int32_t x, ys, yd, width, height; 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; crmfb_scroll(scr->scr_cookie, x, ys, x, yd, width, height); } static void crmfb_eraserows(void *cookie, int row, int nrows, long fillattr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; int32_t x, y, width, height, bg; if ((row == 0) && (nrows == ri->ri_rows)) { x = y = 0; width = ri->ri_width; height = ri->ri_height; } else { x = ri->ri_xorigin; y = ri->ri_yorigin + ri->ri_font->fontheight * row; width = ri->ri_emuwidth; height = ri->ri_font->fontheight * nrows; } bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff]; crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg); } static void crmfb_cursor(void *cookie, int on, int row, int col) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct crmfb_softc *sc = scr->scr_cookie; int x, y, wi,he; wi = ri->ri_font->fontwidth; he = ri->ri_font->fontheight; if (ri->ri_flg & RI_CURSOR) { x = ri->ri_ccol * wi + ri->ri_xorigin; y = ri->ri_crow * he + ri->ri_yorigin; crmfb_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; crmfb_bitblt(sc, x, y, x, y, wi, he, 12); ri->ri_flg |= RI_CURSOR; } } static void crmfb_putchar(void *cookie, int row, int col, u_int c, long attr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct crmfb_softc *sc = scr->scr_cookie; struct wsdisplay_font *font = PICK_FONT(ri, c); uint32_t bg, fg; int x, y, wi, he, i, uc; uint8_t *fd8; uint16_t *fd16; void *fd; wi = font->fontwidth; he = font->fontheight; x = ri->ri_xorigin + col * wi; y = ri->ri_yorigin + row * he; bg = ri->ri_devcmap[(attr >> 16) & 0xff]; fg = ri->ri_devcmap[(attr >> 24) & 0xff]; uc = c - font->firstchar; fd = (uint8_t *)font->data + uc * ri->ri_fontscale; if (c == 0x20) { crmfb_fill_rect(sc, x, y, wi, he, bg); } else { crmfb_make_room(sc, 6); /* setup */ bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE, DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP | DE_DRAWMODE_OPAQUE_STIP | DE_DRAWMODE_POLY_STIP); wbflush(); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FG, fg); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_BG, bg); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, DE_PRIM_RECTANGLE | DE_PRIM_LR | DE_PRIM_TB); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STIPPLE_MODE, 0x001f0000); /* now let's feed the engine */ crmfb_make_room(sc, 30); if (font->stride == 1) { /* shovel in 8 bit quantities */ fd8 = fd; for (i = 0; i < he; i++) { if (i & 8) crmfb_make_room(sc, 30); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STIPPLE_PAT, *fd8 << 24); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, (x << 16) | y); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_1 | CRIME_DE_START, ((x + wi) << 16) | y); y++; fd8++; } } else if (font->stride == 2) { /* shovel in 16 bit quantities */ fd16 = fd; for (i = 0; i < he; i++) { if (i & 8) crmfb_make_room(sc, 30); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STIPPLE_PAT, *fd16 << 16); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, (x << 16) | y); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_1 | CRIME_DE_START, ((x + wi) << 16) | y); y++; fd16++; } } } } static void crmfb_putchar_aa(void *cookie, int row, int col, u_int c, long attr) { struct rasops_info *ri = cookie; struct vcons_screen *scr = ri->ri_hw; struct crmfb_softc *sc = scr->scr_cookie; struct wsdisplay_font *font = PICK_FONT(ri, c); uint32_t bg, fg; int x, y, wi, he, uc, xx; void *fd; wi = font->fontwidth; he = font->fontheight; x = ri->ri_xorigin + col * wi; y = ri->ri_yorigin + row * he; bg = ri->ri_devcmap[(attr >> 16) & 0xff]; fg = (attr >> 24); uc = c - font->firstchar; fd = (uint8_t *)font->data + uc * ri->ri_fontscale; /* fill the cell with the background colour */ crmfb_fill_rect(sc, x, y, wi, he, bg); /* if all we draw is a space we're done */ if (c == 0x20) return; /* copy the glyph into the linear buffer */ memcpy(sc->sc_lptr, fd, ri->ri_fontscale); wbflush(); /* now blit it on top of the requested fg colour cell */ xx = fg * wi; crmfb_make_room(sc, 2); crmfb_src_mode(sc, DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8); crmfb_dst_mode(sc, DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 | DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8); crmfb_make_room(sc, 6); /* only write into the alpha channel */ bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE, DE_DRAWMODE_PLANEMASK | 0x08 | DE_DRAWMODE_XFER_EN); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, DE_PRIM_RECTANGLE | DE_PRIM_TB); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, 0); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, (xx << 16) | (sc->sc_height & 0xffff)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_1 | CRIME_DE_START, ((xx + wi - 1) << 16) | ((sc->sc_height + he - 1) & 0xffff)); /* now draw the actual character */ crmfb_make_room(sc, 2); crmfb_src_mode(sc, DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 | DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32); crmfb_dst_mode(sc, sc->sc_de_mode); crmfb_make_room(sc, 6); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE, DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ALPHA_BLEND | DE_DRAWMODE_XFER_EN); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ALPHA_FUNC, DE_ALPHA_ADD | (DE_ALPHA_OP_SRC_ALPHA << DE_ALPHA_OP_SRC_SHIFT) | (DE_ALPHA_OP_1_MINUS_SRC_ALPHA << DE_ALPHA_OP_DST_SHIFT)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, DE_PRIM_RECTANGLE | DE_PRIM_TB); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, (xx << 16) | (sc->sc_height & 0xffff)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0, (x << 16) | (y & 0xffff)); bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_1 | CRIME_DE_START, ((x + wi - 1) << 16) | ((y + he - 1) & 0xffff)); } static void crmfb_setup_ddc(struct crmfb_softc *sc) { int i; memset(sc->sc_edid_data, 0, 128); sc->sc_i2c.ic_cookie = sc; sc->sc_i2c.ic_acquire_bus = crmfb_i2c_acquire_bus; sc->sc_i2c.ic_release_bus = crmfb_i2c_release_bus; sc->sc_i2c.ic_send_start = crmfb_i2c_send_start; sc->sc_i2c.ic_send_stop = crmfb_i2c_send_stop; sc->sc_i2c.ic_initiate_xfer = crmfb_i2c_initiate_xfer; sc->sc_i2c.ic_read_byte = crmfb_i2c_read_byte; sc->sc_i2c.ic_write_byte = crmfb_i2c_write_byte; sc->sc_i2c.ic_exec = NULL; i = 0; while (sc->sc_edid_data[1] == 0 && i++ < 10) ddc_read_edid(&sc->sc_i2c, sc->sc_edid_data, 128); if (i > 1) aprint_debug_dev(sc->sc_dev, "had to try %d times to get EDID data\n", i); if (i < 11) { edid_parse(sc->sc_edid_data, &sc->sc_edid_info); edid_print(&sc->sc_edid_info); } } /* I2C bitbanging */ static void crmfb_i2cbb_set_bits(void *cookie, uint32_t bits) { struct crmfb_softc *sc = cookie; bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_I2C_VGA, bits ^ 3); } static void crmfb_i2cbb_set_dir(void *cookie, uint32_t dir) { /* Nothing to do */ } static uint32_t crmfb_i2cbb_read(void *cookie) { struct crmfb_softc *sc = cookie; return bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_I2C_VGA) ^ 3; } /* higher level I2C stuff */ static int crmfb_i2c_acquire_bus(void *cookie, int flags) { /* private bus */ return 0; } static void crmfb_i2c_release_bus(void *cookie, int flags) { /* private bus */ } static int crmfb_i2c_send_start(void *cookie, int flags) { return i2c_bitbang_send_start(cookie, flags, &crmfb_i2cbb_ops); } static int crmfb_i2c_send_stop(void *cookie, int flags) { return i2c_bitbang_send_stop(cookie, flags, &crmfb_i2cbb_ops); } static int crmfb_i2c_initiate_xfer(void *cookie, i2c_addr_t addr, int flags) { return i2c_bitbang_initiate_xfer(cookie, addr, flags, &crmfb_i2cbb_ops); } static int crmfb_i2c_read_byte(void *cookie, uint8_t *valp, int flags) { return i2c_bitbang_read_byte(cookie, valp, flags, &crmfb_i2cbb_ops); } static int crmfb_i2c_write_byte(void *cookie, uint8_t val, int flags) { return i2c_bitbang_write_byte(cookie, val, flags, &crmfb_i2cbb_ops); } /* mode setting stuff */ static uint32_t calc_pll(int f_out) { uint32_t ret; int f_in = 20000; /* 20MHz in */ int M, N, P; int error, div, best = 9999999; int ff1, ff2; int MM = 0, NN = 0, PP = 0, ff = 0; /* f_out = M * f_in / (N * (1 << P) */ for (P = 0; P < 4; P++) { for (N = 64; N > 0; N--) { div = N * (1 << P); M = f_out * div / f_in; if ((M < 257) && (M > 100)) { ff1 = M * f_in / div; ff2 = (M + 1) * f_in / div; error = abs(ff1 - f_out); if (error < best) { MM = M; NN = N; PP = P; ff = ff1; best = error; } error = abs(ff2 - f_out); if ((error < best) && ( M < 256)){ MM = M + 1; NN = N; PP = P; ff = ff2; best = error; } } } } DPRINTF("%d: M %d N %d P %d -> %d\n", f_out, MM, NN, PP, ff); /* now shove the parameters into the register's format */ ret = (MM - 1) | ((NN - 1) << 8) | (P << 14); return ret; } static int crmfb_set_mode(struct crmfb_softc *sc, const struct videomode *mode) { uint32_t d, dc; int tmp, diff; switch (mode->hdisplay % 32) { case 0: sc->sc_console_depth = 8; break; case 16: sc->sc_console_depth = 16; break; case 8: case 24: sc->sc_console_depth = 32; break; default: aprint_error_dev(sc->sc_dev, "hdisplay (%d) is not a multiple of 32\n", mode->hdisplay); return FALSE; } if (mode->dot_clock > 150000) { aprint_error_dev(sc->sc_dev, "requested dot clock is too high ( %d MHz )\n", mode->dot_clock / 1000); return FALSE; } /* disable DMA */ d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL); d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT); crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d); DELAY(50000); d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL); d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT); crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d); DELAY(50000); crmfb_write_reg(sc, CRMFB_DID_CONTROL, d); DELAY(50000); if (!crmfb_wait_dma_idle(sc)) aprint_error("crmfb: crmfb_wait_dma_idle timed out\n"); /* ok, now we're good to go */ dc = calc_pll(mode->dot_clock); crmfb_write_reg(sc, CRMFB_VT_XY, 1 << CRMFB_VT_XY_FREEZE_SHIFT); delay(1000); /* set the dot clock pll but don't start it yet */ crmfb_write_reg(sc, CRMFB_DOTCLOCK, dc); delay(10000); /* pixel counter */ d = mode->htotal | (mode->vtotal << 12); crmfb_write_reg(sc, CRMFB_VT_XYMAX, d); /* video timings */ d = mode->vsync_end | (mode->vsync_start << 12); crmfb_write_reg(sc, CRMFB_VT_VSYNC, d); d = mode->hsync_end | (mode->hsync_start << 12); crmfb_write_reg(sc, CRMFB_VT_HSYNC, d); d = mode->vtotal | (mode->vdisplay << 12); crmfb_write_reg(sc, CRMFB_VT_VBLANK, d); d = (mode->htotal - 5) | ((mode->hdisplay - 5) << 12); crmfb_write_reg(sc, CRMFB_VT_HBLANK, d); d = mode->vtotal | (mode->vdisplay << 12); crmfb_write_reg(sc, CRMFB_VT_VCMAP, d); d = mode->htotal | (mode->hdisplay << 12); crmfb_write_reg(sc, CRMFB_VT_HCMAP, d); d = 0; if (mode->flags & VID_NHSYNC) d |= CRMFB_VT_FLAGS_HDRV_INVERT; if (mode->flags & VID_NVSYNC) d |= CRMFB_VT_FLAGS_VDRV_INVERT; crmfb_write_reg(sc, CRMFB_VT_FLAGS, d); sc->sc_vtflags = d; diff = -abs(mode->vtotal - mode->vdisplay - 1); d = ((uint32_t)diff << 12) & 0x00fff000; d |= (mode->htotal - 20); crmfb_write_reg(sc, CRMFB_VT_DID_STARTXY, d); d = ((uint32_t)(diff + 1) << 12) & 0x00fff000; d |= (mode->htotal - 54); crmfb_write_reg(sc, CRMFB_VT_CRS_STARTXY, d); d = ((uint32_t)diff << 12) & 0x00fff000; d |= (mode->htotal - 4); crmfb_write_reg(sc, CRMFB_VT_VC_STARTXY, d); tmp = mode->htotal - 19; d = tmp << 12; d |= ((tmp + mode->hdisplay - 2) % mode->htotal); crmfb_write_reg(sc, CRMFB_VT_HPIX_EN, d); d = mode->vdisplay | (mode->vtotal << 12); crmfb_write_reg(sc, CRMFB_VT_VPIX_EN, d); sc->sc_width = mode->hdisplay; sc->sc_height = mode->vdisplay; return TRUE; } /* * Parse a mode string in the form WIDTHxHEIGHT[@REFRESH] and return * monitor timings generated using the VESA GTF formula. */ static int crmfb_parse_mode(const char *modestr, struct videomode *mode) { char *x, *at; int width, height, refresh; if (modestr == NULL) return EINVAL; x = strchr(modestr, 'x'); at = strchr(modestr, '@'); if (x == NULL || (at != NULL && at < x)) return EINVAL; width = strtoul(modestr, NULL, 10); height = strtoul(x + 1, NULL, 10); refresh = at ? strtoul(at + 1, NULL, 10) : 60; if (width == 0 || height == 0 || refresh == 0) return EINVAL; vesagtf_mode(width, height, refresh, mode); return 0; }