/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2012 Robert N. M. Watson * All rights reserved. * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) * ("CTSRD"), as part of the DARPA CRASH research programme. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. */ #include __FBSDID("$FreeBSD: stable/12/sys/dev/terasic/mtl/terasic_mtl_syscons.c 356110 2019-12-27 03:00:18Z kevans $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Terasic Multitouch LCD (MTL) syscons driver. Implement syscons(4)'s * video_switch_t KPI using MTL's text frame buffer. In principle, we could * actually implement sc_rndr_sw_t, since the MTL text frame buffer implements * a VGA-like memory mapping. However, this requires a lot more book-keeping * with only minor performance improvements (avoiding indirection), as well as * introducing potential endianness issues. Instead we accept one additional * memory copy between a software frame buffer and the hardware frame buffer * and the generic frame buffer (gfb) framework. */ MALLOC_DEFINE(M_TERASIC_MTL, "mtl_syscons", "MTL syscons frame buffer"); /* * Run early so that boot-time console support can be initialised before * newbus gets around to configuring syscons. * * XXXRW: We may need to do more here in order to see earlier boot messages. */ static int terasic_mtl_syscons_configure(int flags) { printf("%s: not yet\n", __func__); return (0); } static int terasic_mtl_vidsw_probe(int unit, video_adapter_t **adp, void *args, int flags) { printf("%s: not yet\n", __func__); return (0); } static int terasic_mtl_vidsw_init(int unit, video_adapter_t *adp, int flags) { struct terasic_mtl_softc *sc; video_info_t *vi; sc = (struct terasic_mtl_softc *)adp; vi = &adp->va_info; vid_init_struct(adp, "terasic_mtl_syscons", -1, unit); vi->vi_width = TERASIC_MTL_COLS; if (vi->vi_width > COL) vi->vi_width = COL; vi->vi_height = TERASIC_MTL_ROWS; if (vi->vi_height > ROW) vi->vi_height = ROW; /* * XXXRW: It's not quite clear how these should be initialised. */ vi->vi_cwidth = 0; vi->vi_cheight = 0; vi->vi_flags = V_INFO_COLOR; vi->vi_mem_model = V_INFO_MM_OTHER; /* * Software text frame buffer from which we update the actual MTL * frame buffer when asked to. */ adp->va_window = (vm_offset_t)sc->mtl_text_soft; /* * Declare video adapter capabilities -- at this point, simply color * support, as MTL doesn't support screen borders, font loading, or * mode changes. * * XXXRW: It's unclear if V_ADP_INITIALIZED is needed here; other * syscons(4) drivers are inconsistent about this and * V_ADP_REGISTERED. */ adp->va_flags |= V_ADP_COLOR | V_ADP_INITIALIZED; if (vid_register(adp) < 0) { device_printf(sc->mtl_dev, "%s: vid_register failed\n", __func__); return (ENXIO); } adp->va_flags |= V_ADP_REGISTERED; return (0); } static int terasic_mtl_vidsw_get_info(video_adapter_t *adp, int mode, video_info_t *info) { bcopy(&adp->va_info, info, sizeof(*info)); return (0); } static int terasic_mtl_vidsw_query_mode(video_adapter_t *adp, video_info_t *info) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_set_mode(video_adapter_t *adp, int mode) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_save_font(video_adapter_t *adp, int page, int size, int width, u_char *data, int c, int count) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_load_font(video_adapter_t *adp, int page, int size, int width, u_char *data, int c, int count) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_show_font(video_adapter_t *adp, int page) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_save_palette(video_adapter_t *adp, u_char *palette) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_load_palette(video_adapter_t *adp, u_char *palette) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_set_border(video_adapter_t *adp, int border) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_save_state(video_adapter_t *adp, void *p, size_t size) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_load_state(video_adapter_t *adp, void *p) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_set_win_org(video_adapter_t *adp, off_t offset) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_read_hw_cursor(video_adapter_t *adp, int *colp, int *rowp) { struct terasic_mtl_softc *sc; uint8_t col, row; sc = (struct terasic_mtl_softc *)adp; terasic_mtl_reg_textcursor_get(sc, &col, &row); *colp = col; *rowp = row; return (0); } static int terasic_mtl_vidsw_set_hw_cursor(video_adapter_t *adp, int col, int row) { struct terasic_mtl_softc *sc; sc = (struct terasic_mtl_softc *)adp; terasic_mtl_reg_textcursor_set(sc, col, row); return (0); } static int terasic_mtl_vidsw_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, int celsize, int blink) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_blank_display(video_adapter_t *adp, int mode) { struct terasic_mtl_softc *sc; sc = (struct terasic_mtl_softc *)adp; terasic_mtl_reg_blank(sc); return (0); } static int terasic_mtl_vidsw_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, int prot, vm_memattr_t *memattr) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) { return (fb_commonioctl(adp, cmd, data)); } static int terasic_mtl_vidsw_clear(video_adapter_t *adp) { struct terasic_mtl_softc *sc; sc = (struct terasic_mtl_softc *)adp; printf("%s: not yet terasic_mtl_io_clear(sc);\n", __func__); return (0); } static int terasic_mtl_vidsw_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_bitblt(video_adapter_t *adp, ...) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_diag(video_adapter_t *adp, int level) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_save_cursor_palette(video_adapter_t *adp, u_char *palette) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_load_cursor_palette(video_adapter_t *adp, u_char *palette) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, int size, int bpp, int bit_ltor, int byte_ltor) { printf("%s: not yet\n", __func__); return (ENODEV); } static int terasic_mtl_vidsw_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) { struct terasic_mtl_softc *sc; u_int col, row; sc = (struct terasic_mtl_softc *)adp; col = (off % adp->va_info.vi_width); row = (off / adp->va_info.vi_width); terasic_mtl_text_putc(sc, col, row, c, a); return (0); } static int terasic_mtl_vidsw_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) { int i; for (i = 0; i < len; i++) vidd_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); return (0); } static int terasic_mtl_vidsw_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, uint32_t pixel_mask, int size, int width) { printf("%s: not yet\n", __func__); return (ENODEV); } int terasic_mtl_syscons_attach(struct terasic_mtl_softc *sc) { int error; sc->mtl_text_soft = malloc(sizeof(uint16_t) * TERASIC_MTL_ROWS * TERASIC_MTL_COLS, M_TERASIC_MTL, M_WAITOK | M_ZERO); error = terasic_mtl_vidsw_init(0, &sc->mtl_va, 0); if (error) goto out; error = sc_attach_unit(sc->mtl_unit, device_get_flags(sc->mtl_dev) | SC_AUTODETECT_KBD); if (error) device_printf(sc->mtl_dev, "%s: sc_attach_unit failed (%d)\n", __func__, error); out: if (error) free(sc->mtl_text_soft, M_TERASIC_MTL); return (error); } void terasic_mtl_syscons_detach(struct terasic_mtl_softc *sc) { free(sc->mtl_text_soft, M_TERASIC_MTL); panic("%s: not supported by syscons", __func__); } static video_switch_t terasic_mtl_vidsw = { .probe = terasic_mtl_vidsw_probe, .init = terasic_mtl_vidsw_init, .get_info = terasic_mtl_vidsw_get_info, .query_mode = terasic_mtl_vidsw_query_mode, .set_mode = terasic_mtl_vidsw_set_mode, .save_font = terasic_mtl_vidsw_save_font, .load_font = terasic_mtl_vidsw_load_font, .show_font = terasic_mtl_vidsw_show_font, .save_palette = terasic_mtl_vidsw_save_palette, .load_palette = terasic_mtl_vidsw_load_palette, .set_border = terasic_mtl_vidsw_set_border, .save_state = terasic_mtl_vidsw_save_state, .load_state = terasic_mtl_vidsw_load_state, .set_win_org = terasic_mtl_vidsw_set_win_org, .read_hw_cursor = terasic_mtl_vidsw_read_hw_cursor, .set_hw_cursor = terasic_mtl_vidsw_set_hw_cursor, .set_hw_cursor_shape = terasic_mtl_vidsw_set_hw_cursor_shape, .blank_display = terasic_mtl_vidsw_blank_display, .mmap = terasic_mtl_vidsw_mmap, .ioctl = terasic_mtl_vidsw_ioctl, .clear = terasic_mtl_vidsw_clear, .fill_rect = terasic_mtl_vidsw_fill_rect, .bitblt = terasic_mtl_vidsw_bitblt, .diag = terasic_mtl_vidsw_diag, .save_cursor_palette = terasic_mtl_vidsw_save_cursor_palette, .load_cursor_palette = terasic_mtl_vidsw_load_cursor_palette, .copy = terasic_mtl_vidsw_copy, .putp = terasic_mtl_vidsw_putp, .putc = terasic_mtl_vidsw_putc, .puts = terasic_mtl_vidsw_puts, .putm = terasic_mtl_vidsw_putm, }; VIDEO_DRIVER(terasic_mtl_syscons, terasic_mtl_vidsw, terasic_mtl_syscons_configure); extern sc_rndr_sw_t txtrndrsw; RENDERER(terasic_mtl_syscons, 0, txtrndrsw, gfb_set); RENDERER_MODULE(terasic_mtl_syscons, gfb_set);