/* $OpenBSD: udl.c,v 1.98 2022/07/15 17:57:27 kettenis Exp $ */ /* * Copyright (c) 2009 Marcus Glocker * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * Driver for the ``DisplayLink DL-120 / DL-160'' graphic chips based * on the reversed engineered specifications of Florian Echtler * : * * http://floe.butterbrot.org/displaylink/doku.php * * This driver has been inspired by the cfxga(4) driver because we have * to deal with similar challenges, like no direct access to the video * memory. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Defines. */ #if 0 #define UDL_DEBUG #endif #ifdef UDL_DEBUG int udl_debug = 1; #define DPRINTF(l, x...) do { if ((l) <= udl_debug) printf(x); } while (0) #else #define DPRINTF(l, x...) #endif #define DN(sc) ((sc)->sc_dev.dv_xname) #define FUNC __func__ /* * Prototypes. */ int udl_match(struct device *, void *, void *); void udl_attach(struct device *, struct device *, void *); void udl_attach_hook(struct device *); int udl_detach(struct device *, int); int udl_activate(struct device *, int); int udl_ioctl(void *, u_long, caddr_t, int, struct proc *); paddr_t udl_mmap(void *, off_t, int); int udl_alloc_screen(void *, const struct wsscreen_descr *, void **, int *, int *, uint32_t *); void udl_free_screen(void *, void *); int udl_show_screen(void *, void *, int, void (*)(void *, int, int), void *); int udl_load_font(void *, void *, struct wsdisplay_font *); int udl_list_font(void *, struct wsdisplay_font *); void udl_burner(void *, u_int, u_int); int udl_copycols(void *, int, int, int, int); int udl_copyrows(void *, int, int, int); int udl_erasecols(void *, int, int, int, uint32_t); int udl_eraserows(void *, int, int, uint32_t); int udl_putchar(void *, int, int, u_int, uint32_t); int udl_do_cursor(struct rasops_info *); int udl_draw_char(struct udl_softc *, uint16_t, uint16_t, u_int, uint32_t, uint32_t); int udl_damage(struct udl_softc *, uint8_t *, uint32_t, uint32_t, uint32_t, uint32_t); int udl_draw_image(struct udl_softc *, uint8_t *, uint32_t, uint32_t, uint32_t, uint32_t); usbd_status udl_ctrl_msg(struct udl_softc *, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t *, size_t); usbd_status udl_poll(struct udl_softc *, uint32_t *); usbd_status udl_read_1(struct udl_softc *, uint16_t, uint8_t *); usbd_status udl_write_1(struct udl_softc *, uint16_t, uint8_t); usbd_status udl_read_edid(struct udl_softc *, uint8_t *); uint8_t udl_lookup_mode(uint16_t, uint16_t, uint8_t, uint16_t, uint32_t); int udl_select_chip(struct udl_softc *); usbd_status udl_set_enc_key(struct udl_softc *, uint8_t *, uint8_t); usbd_status udl_set_decomp_table(struct udl_softc *, uint8_t *, uint16_t); int udl_load_huffman(struct udl_softc *); void udl_free_huffman(struct udl_softc *); int udl_fbmem_alloc(struct udl_softc *); void udl_fbmem_free(struct udl_softc *); usbd_status udl_cmd_alloc_xfer(struct udl_softc *); void udl_cmd_free_xfer(struct udl_softc *); int udl_cmd_alloc_buf(struct udl_softc *); void udl_cmd_free_buf(struct udl_softc *); void udl_cmd_insert_int_1(struct udl_softc *, uint8_t); void udl_cmd_insert_int_2(struct udl_softc *, uint16_t); void udl_cmd_insert_int_3(struct udl_softc *, uint32_t); void udl_cmd_insert_int_4(struct udl_softc *, uint32_t); void udl_cmd_insert_buf(struct udl_softc *, uint8_t *, uint32_t); int udl_cmd_insert_buf_comp(struct udl_softc *, uint8_t *, uint32_t); int udl_cmd_insert_head_comp(struct udl_softc *, uint32_t); int udl_cmd_insert_check(struct udl_softc *, int); void udl_cmd_set_xfer_type(struct udl_softc *, int); void udl_cmd_save_offset(struct udl_softc *); void udl_cmd_restore_offset(struct udl_softc *); void udl_cmd_write_reg_1(struct udl_softc *, uint8_t, uint8_t); void udl_cmd_write_reg_3(struct udl_softc *, uint8_t, uint32_t); usbd_status udl_cmd_send(struct udl_softc *); usbd_status udl_cmd_send_async(struct udl_softc *); void udl_cmd_send_async_cb(struct usbd_xfer *, void *, usbd_status); usbd_status udl_init_chip(struct udl_softc *); void udl_init_fb_offsets(struct udl_softc *, uint32_t, uint32_t, uint32_t, uint32_t); usbd_status udl_init_resolution(struct udl_softc *); usbd_status udl_clear_screen(struct udl_softc *); void udl_select_mode(struct udl_softc *); int udl_fb_buf_write(struct udl_softc *, uint8_t *, uint32_t, uint32_t, uint16_t); int udl_fb_block_write(struct udl_softc *, uint16_t, uint32_t, uint32_t, uint32_t, uint32_t); int udl_fb_line_write(struct udl_softc *, uint16_t, uint32_t, uint32_t, uint32_t); int udl_fb_off_write(struct udl_softc *, uint16_t, uint32_t, uint16_t); int udl_fb_block_copy(struct udl_softc *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); int udl_fb_line_copy(struct udl_softc *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); int udl_fb_off_copy(struct udl_softc *, uint32_t, uint32_t, uint16_t); int udl_fb_buf_write_comp(struct udl_softc *, uint8_t *, uint32_t, uint32_t, uint16_t); int udl_fb_block_write_comp(struct udl_softc *, uint16_t, uint32_t, uint32_t, uint32_t, uint32_t); int udl_fb_line_write_comp(struct udl_softc *, uint16_t, uint32_t, uint32_t, uint32_t); int udl_fb_off_write_comp(struct udl_softc *, uint16_t, uint32_t, uint16_t); int udl_fb_block_copy_comp(struct udl_softc *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); int udl_fb_line_copy_comp(struct udl_softc *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); int udl_fb_off_copy_comp(struct udl_softc *, uint32_t, uint32_t, uint16_t); #ifdef UDL_DEBUG void udl_hexdump(void *, int, int); usbd_status udl_init_test(struct udl_softc *); #endif /* * Driver glue. */ struct cfdriver udl_cd = { NULL, "udl", DV_DULL }; const struct cfattach udl_ca = { sizeof(struct udl_softc), udl_match, udl_attach, udl_detach, udl_activate }; /* * wsdisplay glue. */ struct wsscreen_descr udl_stdscreen = { "std", /* name */ 0, 0, /* ncols, nrows */ NULL, /* textops */ 0, 0, /* fontwidth, fontheight */ WSSCREEN_WSCOLORS /* capabilities */ }; const struct wsscreen_descr *udl_scrlist[] = { &udl_stdscreen }; struct wsscreen_list udl_screenlist = { sizeof(udl_scrlist) / sizeof(struct wsscreen_descr *), udl_scrlist }; struct wsdisplay_accessops udl_accessops = { .ioctl = udl_ioctl, .mmap = udl_mmap, .alloc_screen = udl_alloc_screen, .free_screen = udl_free_screen, .show_screen = udl_show_screen, .load_font = udl_load_font, .list_font = udl_list_font, .burn_screen = udl_burner }; /* * Matching devices. */ struct udl_type { struct usb_devno udl_dev; uint16_t udl_chip; }; static const struct udl_type udl_devs[] = { { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD4300U }, DL120 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LCD8000U }, DL120 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_GUC2020 }, DL160 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LD220 }, DL165 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VCUD60 }, DL160 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_DLDVI }, DL160 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_VGA10 }, DL120 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_WSDVI }, DLUNK }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_EC008 }, DL160 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_HPDOCK }, DL160 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NL571 }, DL160 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_M01061 }, DL195 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_NBDOCK }, DL165 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_SWDVI }, DLUNK }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_UM7X0 }, DL120 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_CONV }, DL160 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LUM70 }, DL125 }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_POLARIS2 }, DLUNK }, { { USB_VENDOR_DISPLAYLINK, USB_PRODUCT_DISPLAYLINK_LT1421 }, DLUNK } }; #define udl_lookup(v, p) ((struct udl_type *)usb_lookup(udl_devs, v, p)) int udl_match(struct device *parent, void *match, void *aux) { struct usb_attach_arg *uaa = aux; if (uaa->iface == NULL || uaa->configno != 1) return (UMATCH_NONE); if (udl_lookup(uaa->vendor, uaa->product) != NULL) return (UMATCH_VENDOR_PRODUCT); return (UMATCH_NONE); } void udl_attach(struct device *parent, struct device *self, void *aux) { struct udl_softc *sc = (struct udl_softc *)self; struct usb_attach_arg *uaa = aux; struct wsemuldisplaydev_attach_args aa; usbd_status error; int err, i; sc->sc_udev = uaa->device; sc->sc_chip = udl_lookup(uaa->vendor, uaa->product)->udl_chip; sc->sc_width = 0; sc->sc_height = 0; sc->sc_depth = 16; sc->sc_cur_mode = MAX_DL_MODES; /* * Override chip if requested. */ if ((sc->sc_dev.dv_cfdata->cf_flags & 0xff00) > 0) { i = ((sc->sc_dev.dv_cfdata->cf_flags & 0xff00) >> 8) - 1; if (i <= DLMAX) { sc->sc_chip = i; printf("%s: %s: cf_flags (0x%04x) forced chip to %d\n", DN(sc), FUNC, sc->sc_dev.dv_cfdata->cf_flags, i); } } /* * The product might have more than one chip */ if (sc->sc_chip == DLUNK) if (udl_select_chip(sc)) return; /* * Create device handle to interface descriptor. */ error = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface); if (error != USBD_NORMAL_COMPLETION) return; /* * Allocate bulk command xfer. */ error = udl_cmd_alloc_xfer(sc); if (error != USBD_NORMAL_COMPLETION) return; /* * Allocate command buffer. */ err = udl_cmd_alloc_buf(sc); if (err != 0) return; /* * Open bulk TX pipe. */ error = usbd_open_pipe(sc->sc_iface, 0x01, USBD_EXCLUSIVE_USE, &sc->sc_tx_pipeh); if (error != USBD_NORMAL_COMPLETION) return; /* * Device initialization is done per synchronous xfers. */ udl_cmd_set_xfer_type(sc, UDL_CMD_XFER_SYNC); /* * Initialize chip. */ error = udl_init_chip(sc); if (error != USBD_NORMAL_COMPLETION) return; /* * Select edid mode. */ udl_select_mode(sc); /* * Override mode if requested. */ if ((sc->sc_dev.dv_cfdata->cf_flags & 0xff) > 0) { i = (sc->sc_dev.dv_cfdata->cf_flags & 0xff) - 1; if (i < MAX_DL_MODES) { if (udl_modes[i].chip <= sc->sc_chip) { sc->sc_width = udl_modes[i].hdisplay; sc->sc_height = udl_modes[i].vdisplay; printf("%s: %s: cf_flags (0x%04x) ", DN(sc), FUNC, sc->sc_dev.dv_cfdata->cf_flags); printf("forced mode to %d\n", i); sc->sc_cur_mode = i; } } } error = udl_init_resolution(sc); if (error != USBD_NORMAL_COMPLETION) return; /* * Attach wsdisplay. */ aa.console = 0; aa.scrdata = &udl_screenlist; aa.accessops = &udl_accessops; aa.accesscookie = sc; aa.defaultscreens = 0; sc->sc_wsdisplay = config_found(self, &aa, wsemuldisplaydevprint); /* * Load Huffman table. */ config_mountroot(self, udl_attach_hook); } void udl_attach_hook(struct device *self) { struct udl_softc *sc = (struct udl_softc *)self; if (udl_load_huffman(sc) != 0) { /* compression not possible */ printf("%s: run in uncompressed mode\n", DN(sc)); sc->udl_fb_buf_write = udl_fb_buf_write; sc->udl_fb_block_write = udl_fb_block_write; sc->udl_fb_line_write = udl_fb_line_write; sc->udl_fb_off_write = udl_fb_off_write; sc->udl_fb_block_copy = udl_fb_block_copy; sc->udl_fb_line_copy = udl_fb_line_copy; sc->udl_fb_off_copy = udl_fb_off_copy; } else { /* compression possible */ sc->udl_fb_buf_write = udl_fb_buf_write_comp; sc->udl_fb_block_write = udl_fb_block_write_comp; sc->udl_fb_line_write = udl_fb_line_write_comp; sc->udl_fb_off_write = udl_fb_off_write_comp; sc->udl_fb_block_copy = udl_fb_block_copy_comp; sc->udl_fb_line_copy = udl_fb_line_copy_comp; sc->udl_fb_off_copy = udl_fb_off_copy_comp; } #ifdef UDL_DEBUG if (udl_debug >= 4) udl_init_test(sc); #endif /* * From this point on we do asynchronous xfers. */ udl_cmd_set_xfer_type(sc, UDL_CMD_XFER_ASYNC); /* * Set initial wsdisplay emulation mode. */ sc->sc_mode = WSDISPLAYIO_MODE_EMUL; } int udl_detach(struct device *self, int flags) { struct udl_softc *sc = (struct udl_softc *)self; /* * Close bulk TX pipe. */ if (sc->sc_tx_pipeh != NULL) usbd_close_pipe(sc->sc_tx_pipeh); /* * Free command buffer. */ udl_cmd_free_buf(sc); /* * Free command xfer. */ udl_cmd_free_xfer(sc); /* * Free Huffman table. */ udl_free_huffman(sc); /* * Free framebuffer memory. */ udl_fbmem_free(sc); /* * Detach wsdisplay. */ if (sc->sc_wsdisplay != NULL) config_detach(sc->sc_wsdisplay, DETACH_FORCE); return (0); } int udl_activate(struct device *self, int act) { struct udl_softc *sc = (struct udl_softc *)self; int rv; switch (act) { case DVACT_DEACTIVATE: usbd_deactivate(sc->sc_udev); break; } rv = config_activate_children(self, act); return (rv); } /* ---------- */ int udl_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) { struct udl_softc *sc; struct wsdisplay_fbinfo *wdf; struct udl_ioctl_damage *d; int r, error, mode; sc = v; DPRINTF(1, "%s: %s: ('%c', %zu, %zu)\n", DN(sc), FUNC, (int) IOCGROUP(cmd), cmd & 0xff, IOCPARM_LEN(cmd)); switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_DL; break; case WSDISPLAYIO_GINFO: wdf = (struct wsdisplay_fbinfo *)data; wdf->height = sc->sc_height; wdf->width = sc->sc_width; wdf->depth = sc->sc_depth; wdf->stride = sc->sc_width * (sc->sc_depth / 8); wdf->offset = 0; wdf->cmsize = 0; /* XXX fill up colormap size */ break; case WSDISPLAYIO_SMODE: mode = *(u_int *)data; if (mode == sc->sc_mode) break; switch (mode) { case WSDISPLAYIO_MODE_EMUL: /* clear screen */ (void)udl_clear_screen(sc); break; case WSDISPLAYIO_MODE_DUMBFB: /* TODO */ break; default: return (EINVAL); } sc->sc_mode = mode; break; case WSDISPLAYIO_LINEBYTES: *(u_int *)data = sc->sc_width * (sc->sc_depth / 8); break; case WSDISPLAYIO_SVIDEO: case WSDISPLAYIO_GVIDEO: /* handled for us by wscons */ break; case UDLIO_DAMAGE: d = (struct udl_ioctl_damage *)data; d->status = UDLIO_STATUS_OK; r = udl_damage(sc, sc->sc_fbmem, d->x1, d->x2, d->y1, d->y2); if (r != 0) { error = tsleep_nsec(sc, 0, "udlio", MSEC_TO_NSEC(10)); if (error) { d->status = UDLIO_STATUS_FAILED; } else { r = udl_damage(sc, sc->sc_fbmem, d->x1, d->x2, d->y1, d->y2); if (r != 0) d->status = UDLIO_STATUS_FAILED; } } break; default: return (-1); } return (0); } paddr_t udl_mmap(void *v, off_t off, int prot) { struct udl_softc *sc; caddr_t p; paddr_t pa; sc = v; DPRINTF(1, "%s: %s\n", DN(sc), FUNC); /* allocate framebuffer memory */ if (udl_fbmem_alloc(sc) == -1) return (-1); /* return memory address to userland process */ p = sc->sc_fbmem + off; if (pmap_extract(pmap_kernel(), (vaddr_t)p, &pa) == FALSE) { printf("udl_mmap: invalid page\n"); udl_fbmem_free(sc); return (-1); } return (pa); } int udl_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep, int *curxp, int *curyp, uint32_t *attrp) { struct udl_softc *sc = v; struct wsdisplay_font *font; DPRINTF(1, "%s: %s\n", DN(sc), FUNC); if (sc->sc_nscreens > 0) return (ENOMEM); /* * Initialize rasops. */ sc->sc_ri.ri_depth = sc->sc_depth; sc->sc_ri.ri_bits = NULL; sc->sc_ri.ri_width = sc->sc_width; sc->sc_ri.ri_height = sc->sc_height; sc->sc_ri.ri_stride = sc->sc_width * sc->sc_height / 8; sc->sc_ri.ri_hw = (void *)sc; sc->sc_ri.ri_flg = 0; /* swap B and R at 16 bpp */ if (sc->sc_depth == 16) { sc->sc_ri.ri_rnum = 5; sc->sc_ri.ri_rpos = 11; sc->sc_ri.ri_gnum = 6; sc->sc_ri.ri_gpos = 5; sc->sc_ri.ri_bnum = 5; sc->sc_ri.ri_bpos = 0; } rasops_init(&sc->sc_ri, 100, 200); sc->sc_ri.ri_ops.copycols = udl_copycols; sc->sc_ri.ri_ops.copyrows = udl_copyrows; sc->sc_ri.ri_ops.erasecols = udl_erasecols; sc->sc_ri.ri_ops.eraserows = udl_eraserows; sc->sc_ri.ri_ops.putchar = udl_putchar; sc->sc_ri.ri_do_cursor = udl_do_cursor; sc->sc_ri.ri_ops.pack_attr(&sc->sc_ri, 0, 0, 0, attrp); udl_stdscreen.nrows = sc->sc_ri.ri_rows; udl_stdscreen.ncols = sc->sc_ri.ri_cols; udl_stdscreen.textops = &sc->sc_ri.ri_ops; udl_stdscreen.fontwidth = sc->sc_ri.ri_font->fontwidth; udl_stdscreen.fontheight = sc->sc_ri.ri_font->fontheight; udl_stdscreen.capabilities = sc->sc_ri.ri_caps; *cookiep = &sc->sc_ri; *curxp = 0; *curyp = 0; /* allocate character backing store */ sc->sc_cbs = mallocarray(sc->sc_ri.ri_rows, sc->sc_ri.ri_cols * sizeof(*sc->sc_cbs), M_USBDEV, M_NOWAIT|M_ZERO); if (sc->sc_cbs == NULL) { printf("%s: can't allocate mem for character backing store!\n", DN(sc)); return (ENOMEM); } sc->sc_cbslen = sc->sc_ri.ri_rows * sc->sc_ri.ri_cols * sizeof(*sc->sc_cbs); sc->sc_nscreens++; font = sc->sc_ri.ri_font; DPRINTF(1, "%s: %s: using font %s (%dx%d)\n", DN(sc), FUNC, font->name, sc->sc_ri.ri_cols, sc->sc_ri.ri_rows); return (0); } void udl_free_screen(void *v, void *cookie) { struct udl_softc *sc; sc = v; DPRINTF(1, "%s: %s\n", DN(sc), FUNC); /* free character backing store */ if (sc->sc_cbs != NULL) free(sc->sc_cbs, M_USBDEV, sc->sc_cbslen); sc->sc_nscreens--; } int udl_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int), void *cbarg) { struct udl_softc *sc; sc = v; DPRINTF(1, "%s: %s\n", DN(sc), FUNC); return (0); } int udl_load_font(void *v, void *emulcookie, struct wsdisplay_font *font) { struct udl_softc *sc = v; struct rasops_info *ri = &sc->sc_ri; return rasops_load_font(ri, emulcookie, font); } int udl_list_font(void *v, struct wsdisplay_font *font) { struct udl_softc *sc = v; struct rasops_info *ri = &sc->sc_ri; return rasops_list_font(ri, font); } void udl_burner(void *v, u_int on, u_int flags) { struct udl_softc *sc; sc = v; DPRINTF(1, "%s: %s: screen %s\n", DN(sc), FUNC, on ? "ON" : "OFF"); if (on) udl_cmd_write_reg_1(sc, UDL_REG_SCREEN, UDL_REG_SCREEN_ON); else udl_cmd_write_reg_1(sc, UDL_REG_SCREEN, UDL_REG_SCREEN_OFF); udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); (void)udl_cmd_send_async(sc); } /* ---------- */ int udl_copycols(void *cookie, int row, int src, int dst, int num) { struct rasops_info *ri = cookie; struct udl_softc *sc; int sx, sy, dx, dy, cx, cy, r; usbd_status error; sc = ri->ri_hw; DPRINTF(2, "%s: %s: row=%d, src=%d, dst=%d, num=%d\n", DN(sc), FUNC, row, src, dst, num); udl_cmd_save_offset(sc); sx = src * ri->ri_font->fontwidth; sy = row * ri->ri_font->fontheight; dx = dst * ri->ri_font->fontwidth; dy = row * ri->ri_font->fontheight; cx = num * ri->ri_font->fontwidth; cy = ri->ri_font->fontheight; /* copy row block to off-screen first to fix overlay-copy problem */ r = (sc->udl_fb_block_copy) (sc, sx, sy, 0, sc->sc_ri.ri_emuheight, cx, cy); if (r != 0) goto fail; /* copy row block back from off-screen now */ r = (sc->udl_fb_block_copy) (sc, 0, sc->sc_ri.ri_emuheight, dx, dy, cx, cy); if (r != 0) goto fail; error = udl_cmd_send_async(sc); if (error != USBD_NORMAL_COMPLETION) { fail: udl_cmd_restore_offset(sc); return (EAGAIN); } /* update character backing store */ bcopy(sc->sc_cbs + ((row * sc->sc_ri.ri_cols) + src), sc->sc_cbs + ((row * sc->sc_ri.ri_cols) + dst), num * sizeof(*sc->sc_cbs)); return (0); } int udl_copyrows(void *cookie, int src, int dst, int num) { struct rasops_info *ri = cookie; struct udl_softc *sc; int sy, dy, cx, cy, r; usbd_status error; sc = ri->ri_hw; DPRINTF(2, "%s: %s: src=%d, dst=%d, num=%d\n", DN(sc), FUNC, src, dst, num); udl_cmd_save_offset(sc); sy = src * sc->sc_ri.ri_font->fontheight; dy = dst * sc->sc_ri.ri_font->fontheight; cx = sc->sc_ri.ri_emuwidth; cy = num * sc->sc_ri.ri_font->fontheight; /* copy row block to off-screen first to fix overlay-copy problem */ r = (sc->udl_fb_block_copy) (sc, 0, sy, 0, sc->sc_ri.ri_emuheight, cx, cy); if (r != 0) goto fail; /* copy row block back from off-screen now */ r = (sc->udl_fb_block_copy) (sc, 0, sc->sc_ri.ri_emuheight, 0, dy, cx, cy); if (r != 0) goto fail; error = udl_cmd_send_async(sc); if (error != USBD_NORMAL_COMPLETION) { fail: udl_cmd_restore_offset(sc); return (EAGAIN); } /* update character backing store */ bcopy(sc->sc_cbs + (src * sc->sc_ri.ri_cols), sc->sc_cbs + (dst * sc->sc_ri.ri_cols), (num * sc->sc_ri.ri_cols) * sizeof(*sc->sc_cbs)); return (0); } int udl_erasecols(void *cookie, int row, int col, int num, uint32_t attr) { struct rasops_info *ri = cookie; struct udl_softc *sc = ri->ri_hw; uint16_t bgc; int fg, bg; int x, y, cx, cy, r; usbd_status error; sc = ri->ri_hw; DPRINTF(2, "%s: %s: row=%d, col=%d, num=%d\n", DN(sc), FUNC, row, col, num); udl_cmd_save_offset(sc); sc->sc_ri.ri_ops.unpack_attr(cookie, attr, &fg, &bg, NULL); bgc = (uint16_t)sc->sc_ri.ri_devcmap[bg]; x = col * sc->sc_ri.ri_font->fontwidth; y = row * sc->sc_ri.ri_font->fontheight; cx = num * sc->sc_ri.ri_font->fontwidth; cy = sc->sc_ri.ri_font->fontheight; r = (sc->udl_fb_block_write)(sc, bgc, x, y, cx, cy); if (r != 0) goto fail; error = udl_cmd_send_async(sc); if (error != USBD_NORMAL_COMPLETION) { fail: udl_cmd_restore_offset(sc); return (EAGAIN); } /* update character backing store */ bzero(sc->sc_cbs + ((row * sc->sc_ri.ri_cols) + col), num * sizeof(*sc->sc_cbs)); return (0); } int udl_eraserows(void *cookie, int row, int num, uint32_t attr) { struct rasops_info *ri = cookie; struct udl_softc *sc; uint16_t bgc; int fg, bg; int x, y, cx, cy, r; usbd_status error; sc = ri->ri_hw; DPRINTF(2, "%s: %s: row=%d, num=%d\n", DN(sc), FUNC, row, num); udl_cmd_save_offset(sc); sc->sc_ri.ri_ops.unpack_attr(cookie, attr, &fg, &bg, NULL); bgc = (uint16_t)sc->sc_ri.ri_devcmap[bg]; x = 0; y = row * sc->sc_ri.ri_font->fontheight; cx = sc->sc_ri.ri_emuwidth; cy = num * sc->sc_ri.ri_font->fontheight; r = (sc->udl_fb_block_write)(sc, bgc, x, y, cx, cy); if (r != 0) goto fail; error = udl_cmd_send_async(sc); if (error != USBD_NORMAL_COMPLETION) { fail: udl_cmd_restore_offset(sc); return (EAGAIN); } /* update character backing store */ bzero(sc->sc_cbs + (row * sc->sc_ri.ri_cols), (num * sc->sc_ri.ri_cols) * sizeof(*sc->sc_cbs)); return (0); } int udl_putchar(void *cookie, int row, int col, u_int uc, uint32_t attr) { struct rasops_info *ri = cookie; struct udl_softc *sc = ri->ri_hw; int r; uint16_t fgc, bgc; uint32_t x, y, fg, bg; DPRINTF(4, "%s: %s\n", DN(sc), FUNC); udl_cmd_save_offset(sc); sc->sc_ri.ri_ops.unpack_attr(cookie, attr, &fg, &bg, NULL); fgc = (uint16_t)sc->sc_ri.ri_devcmap[fg]; bgc = (uint16_t)sc->sc_ri.ri_devcmap[bg]; x = col * ri->ri_font->fontwidth; y = row * ri->ri_font->fontheight; if (uc == ' ') { /* * Writing a block for the space character instead rendering * it from font bits is more slim. */ r = (sc->udl_fb_block_write)(sc, bgc, x, y, ri->ri_font->fontwidth, ri->ri_font->fontheight); if (r != 0) goto fail; } else { /* render a character from font bits */ r = udl_draw_char(sc, fgc, bgc, uc, x, y); if (r != 0) goto fail; } /* * We don't call udl_cmd_send_async() here, since sending each * character by itself gets the performance down bad. Instead the * character will be buffered until another rasops function flush * the buffer. */ /* update character backing store */ sc->sc_cbs[(row * sc->sc_ri.ri_cols) + col] = uc; return (0); fail: udl_cmd_restore_offset(sc); return (EAGAIN); } int udl_do_cursor(struct rasops_info *ri) { struct udl_softc *sc = ri->ri_hw; int r, pos; uint32_t x, y; uint8_t save_cursor; usbd_status error; DPRINTF(2, "%s: %s: ccol=%d, crow=%d\n", DN(sc), FUNC, ri->ri_ccol, ri->ri_crow); udl_cmd_save_offset(sc); save_cursor = sc->sc_cursor_on; x = ri->ri_ccol * ri->ri_font->fontwidth; y = ri->ri_crow * ri->ri_font->fontheight; if (sc->sc_cursor_on == 0) { /* save the last character block to off-screen */ r = (sc->udl_fb_block_copy)(sc, x, y, 0, sc->sc_ri.ri_emuheight, ri->ri_font->fontwidth, ri->ri_font->fontheight); if (r != 0) goto fail; /* draw cursor */ pos = (ri->ri_crow * sc->sc_ri.ri_cols) + ri->ri_ccol; if (sc->sc_cbs[pos] == 0 || sc->sc_cbs[pos] == ' ') { r = (sc->udl_fb_block_write)(sc, 0xffff, x, y, ri->ri_font->fontwidth, ri->ri_font->fontheight); } else { r = udl_draw_char(sc, 0x0000, 0xffff, sc->sc_cbs[pos], x, y); } if (r != 0) goto fail; sc->sc_cursor_on = 1; } else { /* restore the last saved character from off-screen */ r = (sc->udl_fb_block_copy)(sc, 0, sc->sc_ri.ri_emuheight, x, y, ri->ri_font->fontwidth, ri->ri_font->fontheight); if (r != 0) goto fail; sc->sc_cursor_on = 0; } error = udl_cmd_send_async(sc); if (error != USBD_NORMAL_COMPLETION) { fail: udl_cmd_restore_offset(sc); sc->sc_cursor_on = save_cursor; return (EAGAIN); } return (0); } int udl_draw_char(struct udl_softc *sc, uint16_t fg, uint16_t bg, u_int uc, uint32_t x, uint32_t y) { int i, j, ly, r; uint8_t *fontchar; uint8_t buf[UDL_CMD_MAX_DATA_SIZE]; uint16_t *line, lrgb16, fontbits, luc; struct wsdisplay_font *font = sc->sc_ri.ri_font; fontchar = (uint8_t *)(font->data + (uc - font->firstchar) * sc->sc_ri.ri_fontscale); ly = y; for (i = 0; i < font->fontheight; i++) { if (font->fontwidth > 8) { fontbits = betoh16(*(uint16_t *)fontchar); } else { fontbits = *fontchar; fontbits = fontbits << 8; } line = (uint16_t *)buf; for (j = 15; j > (15 - font->fontwidth); j--) { luc = 1 << j; if (fontbits & luc) lrgb16 = htobe16(fg); else lrgb16 = htobe16(bg); bcopy(&lrgb16, line, 2); line++; } r = (sc->udl_fb_buf_write)(sc, buf, x, ly, font->fontwidth); if (r != 0) return (r); ly++; fontchar += font->stride; } return (0); } int udl_damage(struct udl_softc *sc, uint8_t *image, uint32_t x1, uint32_t x2, uint32_t y1, uint32_t y2) { int r; int x, y, width, height; usbd_status error; udl_cmd_save_offset(sc); x = x1; y = y1; width = x2 - x1; height = y2 - y1; r = udl_draw_image(sc, image, x, y, width, height); if (r != 0) goto fail; error = udl_cmd_send_async(sc); if (error != USBD_NORMAL_COMPLETION) { fail: udl_cmd_restore_offset(sc); return (EAGAIN); } return (0); } int udl_draw_image(struct udl_softc *sc, uint8_t *image, uint32_t x, uint32_t y, uint32_t width, uint32_t height) { int i, j, r; int width_cur, x_cur; uint8_t buf[UDL_CMD_MAX_DATA_SIZE]; uint16_t *image16, lrgb16; uint32_t off, block; for (i = 0; i < height; i++) { off = ((y * sc->sc_width) + x) * 2; x_cur = x; width_cur = width; while (width_cur) { if (width_cur > UDL_CMD_MAX_PIXEL_COUNT) block = UDL_CMD_MAX_PIXEL_COUNT; else block = width_cur; /* fix RGB ordering */ image16 = (uint16_t *)(image + off); for (j = 0; j < (block * 2); j += 2) { lrgb16 = htobe16(*image16); bcopy(&lrgb16, buf + j, 2); image16++; } r = (sc->udl_fb_buf_write)(sc, buf, x_cur, y, block); if (r != 0) return (r); off += block * 2; x_cur += block; width_cur -= block; } y++; } return (0); } /* ---------- */ usbd_status udl_ctrl_msg(struct udl_softc *sc, uint8_t rt, uint8_t r, uint16_t index, uint16_t value, uint8_t *buf, size_t len) { usb_device_request_t req; usbd_status error; req.bmRequestType = rt; req.bRequest = r; USETW(req.wIndex, index); USETW(req.wValue, value); USETW(req.wLength, len); error = usbd_do_request(sc->sc_udev, &req, buf); if (error != USBD_NORMAL_COMPLETION) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); return (error); } return (USBD_NORMAL_COMPLETION); } usbd_status udl_poll(struct udl_softc *sc, uint32_t *buf) { uint8_t lbuf[4]; usbd_status error; error = udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_POLL, 0x0000, 0x0000, lbuf, 4); if (error != USBD_NORMAL_COMPLETION) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); return (error); } *buf = *(uint32_t *)lbuf; return (USBD_NORMAL_COMPLETION); } usbd_status udl_read_1(struct udl_softc *sc, uint16_t addr, uint8_t *buf) { uint8_t lbuf[1]; usbd_status error; error = udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_1, addr, 0x0000, lbuf, 1); if (error != USBD_NORMAL_COMPLETION) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); return (error); } *buf = *(uint8_t *)lbuf; return (USBD_NORMAL_COMPLETION); } usbd_status udl_write_1(struct udl_softc *sc, uint16_t addr, uint8_t buf) { usbd_status error; error = udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_WRITE_1, addr, 0x0000, &buf, 1); if (error != USBD_NORMAL_COMPLETION) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); return (error); } return (USBD_NORMAL_COMPLETION); } usbd_status udl_read_edid(struct udl_softc *sc, uint8_t *buf) { uint8_t lbuf[64]; uint16_t offset; usbd_status error; offset = 0; error = udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, 0x00a1, (offset << 8), lbuf, 64); if (error != USBD_NORMAL_COMPLETION) goto fail; bcopy(lbuf + 1, buf + offset, 63); offset += 63; error = udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, 0x00a1, (offset << 8), lbuf, 64); if (error != USBD_NORMAL_COMPLETION) goto fail; bcopy(lbuf + 1, buf + offset, 63); offset += 63; error = udl_ctrl_msg(sc, UT_READ_VENDOR_DEVICE, UDL_CTRL_CMD_READ_EDID, 0x00a1, (offset << 8), lbuf, 3); if (error != USBD_NORMAL_COMPLETION) goto fail; bcopy(lbuf + 1, buf + offset, 2); return (USBD_NORMAL_COMPLETION); fail: printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); return (error); } uint8_t udl_lookup_mode(uint16_t hdisplay, uint16_t vdisplay, uint8_t freq, uint16_t chip, uint32_t clock) { uint8_t idx = 0; /* * Check first if we have a matching mode with pixelclock */ while (idx < MAX_DL_MODES) { if ((udl_modes[idx].hdisplay == hdisplay) && (udl_modes[idx].vdisplay == vdisplay) && (udl_modes[idx].clock == clock) && (udl_modes[idx].chip <= chip)) { return(idx); } idx++; } /* * If not, check for matching mode with update frequency */ idx = 0; while (idx < MAX_DL_MODES) { if ((udl_modes[idx].hdisplay == hdisplay) && (udl_modes[idx].vdisplay == vdisplay) && (udl_modes[idx].freq == freq) && (udl_modes[idx].chip <= chip)) { return(idx); } idx++; } return(idx); } int udl_select_chip(struct udl_softc *sc) { char serialnum[USB_MAX_STRING_LEN]; usb_device_descriptor_t *dd; usb_string_descriptor_t us; usbd_status error; int len, i, n; char *s; uint16_t c; sc->sc_chip = DL120; dd = usbd_get_device_descriptor(sc->sc_udev); if ((UGETW(dd->idVendor) == USB_VENDOR_DISPLAYLINK) && (UGETW(dd->idProduct) == USB_PRODUCT_DISPLAYLINK_WSDVI)) { /* * WS Tech DVI is DL120 or DL160. All deviced uses the * same revision (0.04) so iSerialNumber must be used * to determine which chip it is. */ bzero(serialnum, sizeof serialnum); error = usbd_get_string_desc(sc->sc_udev, dd->iSerialNumber, 0, &us, &len); if (error != USBD_NORMAL_COMPLETION) return (1); s = &serialnum[0]; n = len / 2 - 1; for (i = 0; i < n && i < nitems(us.bString); i++) { c = UGETW(us.bString[i]); /* Convert from Unicode, handle buggy strings. */ if ((c & 0xff00) == 0) *s++ = c; else if ((c & 0x00ff) == 0) *s++ = c >> 8; else *s++ = '?'; } *s++ = 0; if (strlen(serialnum) > 7) if (strncmp(serialnum, "0198-13", 7) == 0) sc->sc_chip = DL160; DPRINTF(1, "%s: %s: iSerialNumber (%s) used to select chip (%d)\n", DN(sc), FUNC, serialnum, sc->sc_chip); } if ((UGETW(dd->idVendor) == USB_VENDOR_DISPLAYLINK) && (UGETW(dd->idProduct) == USB_PRODUCT_DISPLAYLINK_SWDVI)) { /* * SUNWEIT DVI is DL160, DL125, DL165 or DL195. Major revision * can be used to differ between DL1x0 and DL1x5. Minor to * differ between DL1x5. iSerialNumber seems not to be unique. */ sc->sc_chip = DL160; if (UGETW(dd->bcdDevice) >= 0x100) { sc->sc_chip = DL165; if (UGETW(dd->bcdDevice) == 0x104) sc->sc_chip = DL195; if (UGETW(dd->bcdDevice) == 0x108) sc->sc_chip = DL125; } DPRINTF(1, "%s: %s: bcdDevice (%02x) used to select chip (%d)\n", DN(sc), FUNC, UGETW(dd->bcdDevice), sc->sc_chip); } return (0); } usbd_status udl_set_enc_key(struct udl_softc *sc, uint8_t *buf, uint8_t len) { usbd_status error; error = udl_ctrl_msg(sc, UT_WRITE_VENDOR_DEVICE, UDL_CTRL_CMD_SET_KEY, 0x0000, 0x0000, buf, len); if (error != USBD_NORMAL_COMPLETION) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); return (error); } return (USBD_NORMAL_COMPLETION); } usbd_status udl_set_decomp_table(struct udl_softc *sc, uint8_t *buf, uint16_t len) { int err; udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_DECOMP); udl_cmd_insert_int_4(sc, 0x263871cd); /* magic number */ udl_cmd_insert_int_4(sc, 0x00000200); /* 512 byte chunks */ udl_cmd_insert_buf(sc, buf, len); err = udl_cmd_send(sc); if (err != 0) return (USBD_INVAL); return (USBD_NORMAL_COMPLETION); } /* ---------- */ int udl_load_huffman(struct udl_softc *sc) { const char *name = "udl_huffman"; int error; if (sc->sc_huffman == NULL) { error = loadfirmware(name, &sc->sc_huffman, &sc->sc_huffman_size); if (error != 0) { printf("%s: error %d, could not read huffman table " "%s!\n", DN(sc), error, name); return (EIO); } } DPRINTF(1, "%s: huffman table %s allocated\n", DN(sc), name); return (0); } void udl_free_huffman(struct udl_softc *sc) { if (sc->sc_huffman != NULL) { free(sc->sc_huffman, M_USBDEV, sc->sc_huffman_size); sc->sc_huffman = NULL; sc->sc_huffman_size = 0; DPRINTF(1, "%s: huffman table freed\n", DN(sc)); } } int udl_fbmem_alloc(struct udl_softc *sc) { int size; size = (sc->sc_width * sc->sc_height) * (sc->sc_depth / 8); size = round_page(size); if (sc->sc_fbmem == NULL) { sc->sc_fbmem = malloc(size, M_USBDEV, M_NOWAIT|M_ZERO); if (sc->sc_fbmem == NULL) return (-1); } sc->sc_fbmemsize = size; return (0); } void udl_fbmem_free(struct udl_softc *sc) { if (sc->sc_fbmem != NULL) { free(sc->sc_fbmem, M_USBDEV, sc->sc_fbmemsize); sc->sc_fbmem = NULL; sc->sc_fbmemsize = 0; } } usbd_status udl_cmd_alloc_xfer(struct udl_softc *sc) { int i; for (i = 0; i < UDL_CMD_XFER_COUNT; i++) { struct udl_cmd_xfer *cx = &sc->sc_cmd_xfer[i]; cx->sc = sc; cx->xfer = usbd_alloc_xfer(sc->sc_udev); if (cx->xfer == NULL) { printf("%s: %s: can't allocate xfer handle!\n", DN(sc), FUNC); return (USBD_NOMEM); } cx->buf = usbd_alloc_buffer(cx->xfer, UDL_CMD_MAX_XFER_SIZE); if (cx->buf == NULL) { printf("%s: %s: can't allocate xfer buffer!\n", DN(sc), FUNC); return (USBD_NOMEM); } } return (USBD_NORMAL_COMPLETION); } void udl_cmd_free_xfer(struct udl_softc *sc) { int i; for (i = 0; i < UDL_CMD_XFER_COUNT; i++) { struct udl_cmd_xfer *cx = &sc->sc_cmd_xfer[i]; if (cx->xfer != NULL) { usbd_free_xfer(cx->xfer); cx->xfer = NULL; } } } int udl_cmd_alloc_buf(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; cb->buf = malloc(UDL_CMD_MAX_XFER_SIZE, M_USBDEV, M_NOWAIT|M_ZERO); if (cb->buf == NULL) { printf("%s: %s: can't allocate buffer!\n", DN(sc), FUNC); return (ENOMEM); } cb->off = 0; cb->compblock = 0; return (0); } void udl_cmd_free_buf(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; if (cb->buf != NULL) { free(cb->buf, M_USBDEV, UDL_CMD_MAX_XFER_SIZE); cb->buf = NULL; } cb->off = 0; } void udl_cmd_insert_int_1(struct udl_softc *sc, uint8_t value) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; cb->buf[cb->off] = value; cb->off += 1; } void udl_cmd_insert_int_2(struct udl_softc *sc, uint16_t value) { uint16_t lvalue; struct udl_cmd_buf *cb = &sc->sc_cmd_buf; lvalue = htobe16(value); bcopy(&lvalue, cb->buf + cb->off, 2); cb->off += 2; } void udl_cmd_insert_int_3(struct udl_softc *sc, uint32_t value) { uint32_t lvalue; struct udl_cmd_buf *cb = &sc->sc_cmd_buf; #if BYTE_ORDER == BIG_ENDIAN lvalue = htobe32(value) << 8; #else lvalue = htobe32(value) >> 8; #endif bcopy(&lvalue, cb->buf + cb->off, 3); cb->off += 3; } void udl_cmd_insert_int_4(struct udl_softc *sc, uint32_t value) { uint32_t lvalue; struct udl_cmd_buf *cb = &sc->sc_cmd_buf; lvalue = htobe32(value); bcopy(&lvalue, cb->buf + cb->off, 4); cb->off += 4; } void udl_cmd_insert_buf(struct udl_softc *sc, uint8_t *buf, uint32_t len) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; bcopy(buf, cb->buf + cb->off, len); cb->off += len; } int udl_cmd_insert_buf_comp(struct udl_softc *sc, uint8_t *buf, uint32_t len) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; struct udl_huffman *h; uint8_t bit_pos; uint16_t *pixels, prev; int16_t diff; uint32_t bit_count, bit_pattern, bit_cur; int i, j, bytes, eob, padding, next; pixels = (uint16_t *)buf; bit_pos = bytes = eob = padding = 0; /* * If the header doesn't fit into the 512 byte main-block anymore, * skip the header and finish up the main-block. We return zero * to signal our caller that the header has been skipped. */ if (cb->compblock >= UDL_CB_RESTART_SIZE) { cb->off -= UDL_CMD_WRITE_HEAD_SIZE; cb->compblock -= UDL_CMD_WRITE_HEAD_SIZE; eob = 1; } /* * Generate a sub-block with maximal 256 pixels compressed data. */ for (i = 0; i < len / 2 && eob == 0; i++) { /* get difference between current and previous pixel */ if (i > 0) prev = betoh16(pixels[i - 1]); else prev = 0; /* get the huffman difference bit sequence */ diff = betoh16(pixels[i]) - prev; h = (struct udl_huffman *)(sc->sc_huffman + UDL_HUFFMAN_BASE); h += diff; bit_count = h->bit_count; bit_pattern = betoh32(h->bit_pattern); /* we are near the end of the main-block, so quit loop */ if (bit_count % 8 == 0) next = bit_count / 8; else next = (bit_count / 8) + 1; if (cb->compblock + next >= UDL_CB_BODY_SIZE) { eob = 1; break; } /* generate one pixel compressed data */ for (j = 0; j < bit_count; j++) { if (bit_pos == 0) cb->buf[cb->off] = 0; bit_cur = (bit_pattern >> j) & 1; cb->buf[cb->off] |= (bit_cur << bit_pos); bit_pos++; if (bit_pos == 8) { bit_pos = 0; cb->off++; cb->compblock++; } } bytes += 2; } /* * If we have bits left in our last byte, round up to the next * byte, so we don't overwrite them. */ if (bit_pos != 0) { cb->off++; cb->compblock++; } /* * Finish up a 512 byte main-block. The leftover space gets * padded to zero. Finally terminate the block by writing the * 0xff-into-UDL_REG_SYNC-register sequence. */ if (eob == 1) { padding = (UDL_CB_BODY_SIZE - cb->compblock); for (i = 0; i < padding; i++) { cb->buf[cb->off] = 0; cb->off++; cb->compblock++; } udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); cb->compblock = 0; } /* return how many bytes we have compressed */ return (bytes); } int udl_cmd_insert_head_comp(struct udl_softc *sc, uint32_t len) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; int i, padding; if (cb->compblock > UDL_CB_BODY_SIZE) { cb->off -= UDL_CMD_COPY_HEAD_SIZE; cb->compblock -= UDL_CMD_COPY_HEAD_SIZE; padding = (UDL_CB_BODY_SIZE - cb->compblock); for (i = 0; i < padding; i++) { cb->buf[cb->off] = 0; cb->off++; cb->compblock++; } udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); cb->compblock = 0; return (0); } return (len); } int udl_cmd_insert_check(struct udl_softc *sc, int len) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; int total; usbd_status error; total = cb->off + len; if (total > UDL_CMD_MAX_XFER_SIZE) { /* command buffer is almost full, try to flush it */ if (cb->xfer_type == UDL_CMD_XFER_ASYNC) error = udl_cmd_send_async(sc); else error = udl_cmd_send(sc); if (error != USBD_NORMAL_COMPLETION) { DPRINTF(1, "%s: %s: can't flush full command buffer\n", DN(sc), FUNC); return (EAGAIN); } } return (0); } void udl_cmd_set_xfer_type(struct udl_softc *sc, int xfer_type) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; cb->xfer_type = xfer_type; } void udl_cmd_save_offset(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; cb->off_save = cb->off; cb->compblock_save = cb->compblock; } void udl_cmd_restore_offset(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; cb->off = cb->off_save; cb->compblock = cb->compblock_save; } void udl_cmd_write_reg_1(struct udl_softc *sc, uint8_t reg, uint8_t val) { udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_REG_WRITE_1); udl_cmd_insert_int_1(sc, reg); udl_cmd_insert_int_1(sc, val); } void udl_cmd_write_reg_3(struct udl_softc *sc, uint8_t reg, uint32_t val) { udl_cmd_write_reg_1(sc, reg + 0, (val >> 16) & 0xff); udl_cmd_write_reg_1(sc, reg + 1, (val >> 8) & 0xff); udl_cmd_write_reg_1(sc, reg + 2, (val >> 0) & 0xff); } usbd_status udl_cmd_send(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; struct udl_cmd_xfer *cx = &sc->sc_cmd_xfer[0]; int len; usbd_status error; /* mark end of command stack */ udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_EOC); bcopy(cb->buf, cx->buf, cb->off); len = cb->off; usbd_setup_xfer(cx->xfer, sc->sc_tx_pipeh, 0, cx->buf, len, USBD_NO_COPY | USBD_SHORT_XFER_OK | USBD_SYNCHRONOUS, 1000, NULL); error = usbd_transfer(cx->xfer); if (error != USBD_NORMAL_COMPLETION) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); /* we clear our buffer now to avoid growing out of bounds */ goto fail; } DPRINTF(1, "%s: %s: sent %d of %d bytes\n", DN(sc), FUNC, len, cb->off); fail: cb->off = 0; cb->compblock = 0; return (error); } usbd_status udl_cmd_send_async(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; struct udl_cmd_xfer *cx; usbd_status error; int i, s; /* check if command xfer queue is full */ if (sc->sc_cmd_xfer_cnt == UDL_CMD_XFER_COUNT) return (USBD_IN_USE); s = splusb(); /* no callbacks please until accounting is done */ /* find a free command xfer buffer */ for (i = 0; i < UDL_CMD_XFER_COUNT; i++) { if (sc->sc_cmd_xfer[i].busy == 0) break; } if (i == UDL_CMD_XFER_COUNT) { /* this shouldn't happen */ splx(s); return (USBD_IN_USE); } cx = &sc->sc_cmd_xfer[i]; /* mark end of command stack */ udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_EOC); /* copy command buffer to xfer buffer */ bcopy(cb->buf, cx->buf, cb->off); /* do xfer */ usbd_setup_xfer(cx->xfer, sc->sc_tx_pipeh, cx, cx->buf, cb->off, USBD_NO_COPY, 1000, udl_cmd_send_async_cb); error = usbd_transfer(cx->xfer); if (error != 0 && error != USBD_IN_PROGRESS) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(error)); splx(s); return (error); } DPRINTF(2, "%s: %s: sending %d bytes from buffer no. %d\n", DN(sc), FUNC, cb->off, i); /* free command buffer, lock xfer buffer */ cb->off = 0; cb->compblock = 0; cx->busy = 1; sc->sc_cmd_xfer_cnt++; splx(s); return (USBD_NORMAL_COMPLETION); } void udl_cmd_send_async_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) { struct udl_cmd_xfer *cx = priv; struct udl_softc *sc = cx->sc; int len; if (status != USBD_NORMAL_COMPLETION) { printf("%s: %s: %s!\n", DN(sc), FUNC, usbd_errstr(status)); if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->sc_tx_pipeh); goto skip; } usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); DPRINTF(3, "%s: %s: sent %d bytes\n", DN(sc), FUNC, len); skip: /* free xfer buffer */ cx->busy = 0; sc->sc_cmd_xfer_cnt--; /* wakeup UDLIO_DAMAGE if it sleeps for a free xfer buffer */ wakeup(sc); } /* ---------- */ usbd_status udl_init_chip(struct udl_softc *sc) { uint8_t ui8; uint32_t ui32; usbd_status error; error = udl_poll(sc, &ui32); if (error != USBD_NORMAL_COMPLETION) return (error); DPRINTF(1, "%s: %s: poll=0x%08x\n", DN(sc), FUNC, ui32); /* Some products may use later chip too */ switch (ui32 & 0xff) { case 0xf1: /* DL1x5 */ switch (sc->sc_chip) { case DL120: sc->sc_chip = DL125; break; case DL160: sc->sc_chip = DL165; break; } break; } DPRINTF(1, "%s: %s: chip %d\n", DN(sc), FUNC, sc->sc_chip); error = udl_read_1(sc, 0xc484, &ui8); if (error != USBD_NORMAL_COMPLETION) return (error); DPRINTF(1, "%s: %s: read 0x%02x from 0xc484\n", DN(sc), FUNC, ui8); error = udl_write_1(sc, 0xc41f, 0x01); if (error != USBD_NORMAL_COMPLETION) return (error); DPRINTF(1, "%s: %s: write 0x01 to 0xc41f\n", DN(sc), FUNC); error = udl_read_edid(sc, sc->sc_edid); if (error != USBD_NORMAL_COMPLETION) return (error); DPRINTF(1, "%s: %s: read EDID\n", DN(sc), FUNC); error = udl_set_enc_key(sc, udl_null_key_1, sizeof(udl_null_key_1)); if (error != USBD_NORMAL_COMPLETION) return (error); DPRINTF(1, "%s: %s: set encryption key\n", DN(sc), FUNC); error = udl_write_1(sc, 0xc40b, 0x00); if (error != USBD_NORMAL_COMPLETION) return (error); DPRINTF(1, "%s: %s: write 0x00 to 0xc40b\n", DN(sc), FUNC); error = udl_set_decomp_table(sc, udl_decomp_table, sizeof(udl_decomp_table)); if (error != USBD_NORMAL_COMPLETION) return (error); DPRINTF(1, "%s: %s: set decompression table\n", DN(sc), FUNC); return (USBD_NORMAL_COMPLETION); } void udl_init_fb_offsets(struct udl_softc *sc, uint32_t start16, uint32_t stride16, uint32_t start8, uint32_t stride8) { udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0x00); udl_cmd_write_reg_3(sc, UDL_REG_ADDR_START16, start16); udl_cmd_write_reg_3(sc, UDL_REG_ADDR_STRIDE16, stride16); udl_cmd_write_reg_3(sc, UDL_REG_ADDR_START8, start8); udl_cmd_write_reg_3(sc, UDL_REG_ADDR_STRIDE8, stride8); udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); } usbd_status udl_init_resolution(struct udl_softc *sc) { int i; usbd_status error; uint8_t *buf = udl_modes[sc->sc_cur_mode].mode; /* write resolution values and set video memory offsets */ udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0x00); for (i = 0; i < UDL_MODE_SIZE; i++) udl_cmd_write_reg_1(sc, i, buf[i]); udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); udl_init_fb_offsets(sc, 0x000000, 0x000a00, 0x555555, 0x000500); error = udl_cmd_send(sc); if (error != USBD_NORMAL_COMPLETION) return (error); /* clear screen */ error = udl_clear_screen(sc); if (error != USBD_NORMAL_COMPLETION) return (error); /* show framebuffer content */ udl_cmd_write_reg_1(sc, UDL_REG_SCREEN, UDL_REG_SCREEN_ON); udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); error = udl_cmd_send(sc); if (error != USBD_NORMAL_COMPLETION) return (error); return (USBD_NORMAL_COMPLETION); } usbd_status udl_clear_screen(struct udl_softc *sc) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; usbd_status error; /* clear screen */ udl_fb_block_write(sc, 0x0000, 0, 0, sc->sc_width, sc->sc_height); if (cb->xfer_type == UDL_CMD_XFER_ASYNC) error = udl_cmd_send_async(sc); else error = udl_cmd_send(sc); if (error != USBD_NORMAL_COMPLETION) return (error); return (USBD_NORMAL_COMPLETION); } void udl_select_mode(struct udl_softc *sc) { struct udl_mode mode; int index = MAX_DL_MODES, i; /* try to get the preferred mode from EDID */ edid_parse(sc->sc_edid, &sc->sc_edid_info); #ifdef UDL_DEBUG edid_print(&sc->sc_edid_info); #endif if (sc->sc_edid_info.edid_preferred_mode != NULL) { mode.freq = (sc->sc_edid_info.edid_preferred_mode->dot_clock * 1000) / (sc->sc_edid_info.edid_preferred_mode->htotal * sc->sc_edid_info.edid_preferred_mode->vtotal); mode.clock = sc->sc_edid_info.edid_preferred_mode->dot_clock / 10; mode.hdisplay = sc->sc_edid_info.edid_preferred_mode->hdisplay; mode.vdisplay = sc->sc_edid_info.edid_preferred_mode->vdisplay; index = udl_lookup_mode(mode.hdisplay, mode.vdisplay, mode.freq, sc->sc_chip, mode.clock); sc->sc_cur_mode = index; } else { DPRINTF(1, "%s: %s: no preferred mode found!\n", DN(sc), FUNC); } if (index == MAX_DL_MODES) { DPRINTF(1, "%s: %s: no mode line found for %dx%d @ %dHz!\n", DN(sc), FUNC, mode.hdisplay, mode.vdisplay, mode.freq); i = 0; while (i < sc->sc_edid_info.edid_nmodes) { mode.freq = (sc->sc_edid_info.edid_modes[i].dot_clock * 1000) / (sc->sc_edid_info.edid_modes[i].htotal * sc->sc_edid_info.edid_modes[i].vtotal); mode.clock = sc->sc_edid_info.edid_modes[i].dot_clock / 10; mode.hdisplay = sc->sc_edid_info.edid_modes[i].hdisplay; mode.vdisplay = sc->sc_edid_info.edid_modes[i].vdisplay; index = udl_lookup_mode(mode.hdisplay, mode.vdisplay, mode.freq, sc->sc_chip, mode.clock); if (index < MAX_DL_MODES) if ((sc->sc_cur_mode == MAX_DL_MODES) || (index > sc->sc_cur_mode)) sc->sc_cur_mode = index; i++; } } /* * If no mode found use default. */ if (sc->sc_cur_mode == MAX_DL_MODES) sc->sc_cur_mode = udl_lookup_mode(800, 600, 60, sc->sc_chip, 0); mode = udl_modes[sc->sc_cur_mode]; sc->sc_width = mode.hdisplay; sc->sc_height = mode.vdisplay; /* * We always use 16bit color depth for now. */ sc->sc_depth = 16; DPRINTF(1, "%s: %s: %dx%d @ %dHz\n", DN(sc), FUNC, mode.hdisplay, mode.vdisplay, mode.freq); } int udl_fb_buf_write(struct udl_softc *sc, uint8_t *buf, uint32_t x, uint32_t y, uint16_t width) { uint16_t lwidth; uint32_t off; int r; r = udl_cmd_insert_check(sc, UDL_CMD_WRITE_MAX_SIZE); if (r != 0) return (r); off = ((y * sc->sc_width) + x) * 2; lwidth = width * 2; udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_FB_WRITE | UDL_BULK_CMD_FB_WORD); udl_cmd_insert_int_3(sc, off); udl_cmd_insert_int_1(sc, width >= UDL_CMD_MAX_PIXEL_COUNT ? 0 : width); udl_cmd_insert_buf(sc, buf, lwidth); return (0); } int udl_fb_block_write(struct udl_softc *sc, uint16_t rgb16, uint32_t x, uint32_t y, uint32_t width, uint32_t height) { uint32_t i; int r; for (i = 0; i < height; i++) { r = udl_fb_line_write(sc, rgb16, x, y + i, width); if (r != 0) return (r); } return (0); } int udl_fb_line_write(struct udl_softc *sc, uint16_t rgb16, uint32_t x, uint32_t y, uint32_t width) { uint32_t off, block; int r; off = (y * sc->sc_width) + x; while (width) { if (width > UDL_CMD_MAX_PIXEL_COUNT) block = UDL_CMD_MAX_PIXEL_COUNT; else block = width; r = udl_fb_off_write(sc, rgb16, off, block); if (r != 0) return (r); off += block; width -= block; } return (0); } int udl_fb_off_write(struct udl_softc *sc, uint16_t rgb16, uint32_t off, uint16_t width) { uint8_t buf[UDL_CMD_MAX_DATA_SIZE]; uint16_t lwidth, lrgb16; uint32_t loff; int i, r; r = udl_cmd_insert_check(sc, UDL_CMD_WRITE_MAX_SIZE); if (r != 0) return (r); loff = off * 2; lwidth = width * 2; udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_FB_WRITE | UDL_BULK_CMD_FB_WORD); udl_cmd_insert_int_3(sc, loff); udl_cmd_insert_int_1(sc, width >= UDL_CMD_MAX_PIXEL_COUNT ? 0 : width); for (i = 0; i < lwidth; i += 2) { lrgb16 = htobe16(rgb16); bcopy(&lrgb16, buf + i, 2); } udl_cmd_insert_buf(sc, buf, lwidth); return (0); } int udl_fb_block_copy(struct udl_softc *sc, uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, uint32_t width, uint32_t height) { int i, r; for (i = 0; i < height; i++) { r = udl_fb_line_copy(sc, src_x, src_y + i, dst_x, dst_y + i, width); if (r != 0) return (r); } return (0); } int udl_fb_line_copy(struct udl_softc *sc, uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, uint32_t width) { uint32_t src_off, dst_off, block; int r; src_off = (src_y * sc->sc_width) + src_x; dst_off = (dst_y * sc->sc_width) + dst_x; while (width) { if (width > UDL_CMD_MAX_PIXEL_COUNT) block = UDL_CMD_MAX_PIXEL_COUNT; else block = width; r = udl_fb_off_copy(sc, src_off, dst_off, block); if (r != 0) return (r); src_off += block; dst_off += block; width -= block; } return (0); } int udl_fb_off_copy(struct udl_softc *sc, uint32_t src_off, uint32_t dst_off, uint16_t width) { uint32_t ldst_off, lsrc_off; int r; r = udl_cmd_insert_check(sc, UDL_CMD_COPY_MAX_SIZE); if (r != 0) return (r); ldst_off = dst_off * 2; lsrc_off = src_off * 2; udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_FB_COPY | UDL_BULK_CMD_FB_WORD); udl_cmd_insert_int_3(sc, ldst_off); udl_cmd_insert_int_1(sc, width >= UDL_CMD_MAX_PIXEL_COUNT ? 0 : width); udl_cmd_insert_int_3(sc, lsrc_off); return (0); } int udl_fb_buf_write_comp(struct udl_softc *sc, uint8_t *buf, uint32_t x, uint32_t y, uint16_t width) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; uint8_t *count; uint16_t lwidth; uint32_t off; int r, sent; r = udl_cmd_insert_check(sc, UDL_CMD_WRITE_MAX_SIZE); if (r != 0) return (r); off = ((y * sc->sc_width) + x) * 2; lwidth = width * 2; /* * A new compressed stream needs the 0xff-into-UDL_REG_SYNC-register * sequence always as first command. */ if (cb->off == 0) udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); r = sent = 0; while (sent < lwidth) { udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_FB_WRITE | UDL_BULK_CMD_FB_WORD | UDL_BULK_CMD_FB_COMP); udl_cmd_insert_int_3(sc, off + sent); udl_cmd_insert_int_1(sc, width >= UDL_CMD_MAX_PIXEL_COUNT ? 0 : width); cb->compblock += UDL_CMD_WRITE_HEAD_SIZE; count = &cb->buf[cb->off - 1]; r = udl_cmd_insert_buf_comp(sc, buf + sent, lwidth - sent); if (r > 0 && r != (lwidth - sent)) { *count = r / 2; width -= r / 2; } sent += r; } return (0); } int udl_fb_block_write_comp(struct udl_softc *sc, uint16_t rgb16, uint32_t x, uint32_t y, uint32_t width, uint32_t height) { uint32_t i; int r; for (i = 0; i < height; i++) { r = udl_fb_line_write_comp(sc, rgb16, x, y + i, width); if (r != 0) return (r); } return (0); } int udl_fb_line_write_comp(struct udl_softc *sc, uint16_t rgb16, uint32_t x, uint32_t y, uint32_t width) { uint32_t off, block; int r; off = (y * sc->sc_width) + x; while (width) { if (width > UDL_CMD_MAX_PIXEL_COUNT) block = UDL_CMD_MAX_PIXEL_COUNT; else block = width; r = udl_fb_off_write_comp(sc, rgb16, off, block); if (r != 0) return (r); off += block; width -= block; } return (0); } int udl_fb_off_write_comp(struct udl_softc *sc, uint16_t rgb16, uint32_t off, uint16_t width) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; uint8_t buf[UDL_CMD_MAX_DATA_SIZE]; uint8_t *count; uint16_t lwidth, lrgb16; uint32_t loff; int i, r, sent; r = udl_cmd_insert_check(sc, UDL_CMD_WRITE_MAX_SIZE); if (r != 0) return (r); loff = off * 2; lwidth = width * 2; for (i = 0; i < lwidth; i += 2) { lrgb16 = htobe16(rgb16); bcopy(&lrgb16, buf + i, 2); } /* * A new compressed stream needs the 0xff-into-UDL_REG_SYNC-register * sequence always as first command. */ if (cb->off == 0) udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); r = sent = 0; while (sent < lwidth) { udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_FB_WRITE | UDL_BULK_CMD_FB_WORD | UDL_BULK_CMD_FB_COMP); udl_cmd_insert_int_3(sc, loff + sent); udl_cmd_insert_int_1(sc, width >= UDL_CMD_MAX_PIXEL_COUNT ? 0 : width); cb->compblock += UDL_CMD_WRITE_HEAD_SIZE; count = &cb->buf[cb->off - 1]; r = udl_cmd_insert_buf_comp(sc, buf + sent, lwidth - sent); if (r > 0 && r != (lwidth - sent)) { *count = r / 2; width -= r / 2; } sent += r; } return (0); } int udl_fb_block_copy_comp(struct udl_softc *sc, uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, uint32_t width, uint32_t height) { int i, r; for (i = 0; i < height; i++) { r = udl_fb_line_copy_comp(sc, src_x, src_y + i, dst_x, dst_y + i, width); if (r != 0) return (r); } return (0); } int udl_fb_line_copy_comp(struct udl_softc *sc, uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, uint32_t width) { uint32_t src_off, dst_off, block; int r; src_off = (src_y * sc->sc_width) + src_x; dst_off = (dst_y * sc->sc_width) + dst_x; while (width) { if (width > UDL_CMD_MAX_PIXEL_COUNT) block = UDL_CMD_MAX_PIXEL_COUNT; else block = width; r = udl_fb_off_copy_comp(sc, src_off, dst_off, block); if (r != 0) return (r); src_off += block; dst_off += block; width -= block; } return (0); } int udl_fb_off_copy_comp(struct udl_softc *sc, uint32_t src_off, uint32_t dst_off, uint16_t width) { struct udl_cmd_buf *cb = &sc->sc_cmd_buf; uint32_t ldst_off, lsrc_off; int r; r = udl_cmd_insert_check(sc, UDL_CMD_COPY_MAX_SIZE); if (r != 0) return (r); ldst_off = dst_off * 2; lsrc_off = src_off * 2; /* * A new compressed stream needs the 0xff-into-UDL_REG_SYNC-register * sequence always as first command. */ if (cb->off == 0) udl_cmd_write_reg_1(sc, UDL_REG_SYNC, 0xff); r = 0; while (r < 1) { udl_cmd_insert_int_1(sc, UDL_BULK_SOC); udl_cmd_insert_int_1(sc, UDL_BULK_CMD_FB_COPY | UDL_BULK_CMD_FB_WORD); udl_cmd_insert_int_3(sc, ldst_off); udl_cmd_insert_int_1(sc, width >= UDL_CMD_MAX_PIXEL_COUNT ? 0 : width); udl_cmd_insert_int_3(sc, lsrc_off); cb->compblock += UDL_CMD_COPY_HEAD_SIZE; r = udl_cmd_insert_head_comp(sc, UDL_CMD_COPY_HEAD_SIZE); } return (0); } /* ---------- */ #ifdef UDL_DEBUG void udl_hexdump(void *buf, int len, int quiet) { int i; for (i = 0; i < len; i++) { if (quiet == 0) { if (i % 16 == 0) printf("%s%5i:", i ? "\n" : "", i); if (i % 4 == 0) printf(" "); } printf("%02x", (int)*((u_char *)buf + i)); } printf("\n"); } usbd_status udl_init_test(struct udl_softc *sc) { int i, j, parts, loops; uint16_t color; uint16_t rgb24[3] = { 0xf800, 0x07e0, 0x001f }; loops = (sc->sc_width * sc->sc_height) / UDL_CMD_MAX_PIXEL_COUNT; parts = loops / 3; color = rgb24[0]; j = 1; for (i = 0; i < loops; i++) { if (i == parts) { color = rgb24[j]; parts += parts; j++; } (sc->udl_fb_off_write)(sc, color, i * UDL_CMD_MAX_PIXEL_COUNT, UDL_CMD_MAX_PIXEL_COUNT); } (void)udl_cmd_send(sc); return (USBD_NORMAL_COMPLETION); } #endif