tvrx.c revision 1.3.2.2
1 1.3.2.2 rmind /* $NetBSD: tvrx.c,v 1.3.2.2 2011/03/05 20:50:23 rmind Exp $ */ 2 1.3.2.2 rmind /* $OpenBSD: tvrx.c,v 1.1 2006/04/14 21:05:43 miod Exp $ */ 3 1.3.2.2 rmind 4 1.3.2.2 rmind /* 5 1.3.2.2 rmind * Copyright (c) 2006, Miodrag Vallat. 6 1.3.2.2 rmind * All rights reserved. 7 1.3.2.2 rmind * 8 1.3.2.2 rmind * Redistribution and use in source and binary forms, with or without 9 1.3.2.2 rmind * modification, are permitted provided that the following conditions 10 1.3.2.2 rmind * are met: 11 1.3.2.2 rmind * 1. Redistributions of source code must retain the above copyright 12 1.3.2.2 rmind * notice, this list of conditions and the following disclaimer. 13 1.3.2.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 14 1.3.2.2 rmind * notice, this list of conditions and the following disclaimer in the 15 1.3.2.2 rmind * documentation and/or other materials provided with the distribution. 16 1.3.2.2 rmind * 17 1.3.2.2 rmind * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 1.3.2.2 rmind * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 1.3.2.2 rmind * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 1.3.2.2 rmind * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 21 1.3.2.2 rmind * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 1.3.2.2 rmind * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 1.3.2.2 rmind * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.3.2.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 1.3.2.2 rmind * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26 1.3.2.2 rmind * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 1.3.2.2 rmind * POSSIBILITY OF SUCH DAMAGE. 28 1.3.2.2 rmind * 29 1.3.2.2 rmind */ 30 1.3.2.2 rmind 31 1.3.2.2 rmind /* 32 1.3.2.2 rmind * Graphics routines for the TurboVRX frame buffer 33 1.3.2.2 rmind */ 34 1.3.2.2 rmind 35 1.3.2.2 rmind #include <sys/param.h> 36 1.3.2.2 rmind #include <sys/systm.h> 37 1.3.2.2 rmind #include <sys/conf.h> 38 1.3.2.2 rmind #include <sys/device.h> 39 1.3.2.2 rmind #include <sys/proc.h> 40 1.3.2.2 rmind #include <sys/ioctl.h> 41 1.3.2.2 rmind #include <sys/bus.h> 42 1.3.2.2 rmind #include <sys/cpu.h> 43 1.3.2.2 rmind 44 1.3.2.2 rmind #include <machine/autoconf.h> 45 1.3.2.2 rmind 46 1.3.2.2 rmind #include <hp300/dev/dioreg.h> 47 1.3.2.2 rmind #include <hp300/dev/diovar.h> 48 1.3.2.2 rmind #include <hp300/dev/diodevs.h> 49 1.3.2.2 rmind 50 1.3.2.2 rmind #include <dev/cons.h> 51 1.3.2.2 rmind 52 1.3.2.2 rmind #include <dev/wscons/wsconsio.h> 53 1.3.2.2 rmind #include <dev/wscons/wsdisplayvar.h> 54 1.3.2.2 rmind #include <dev/rasops/rasops.h> 55 1.3.2.2 rmind 56 1.3.2.2 rmind #include <hp300/dev/diofbreg.h> 57 1.3.2.2 rmind #include <hp300/dev/diofbvar.h> 58 1.3.2.2 rmind 59 1.3.2.2 rmind struct tvrx_softc { 60 1.3.2.2 rmind device_t sc_dev; 61 1.3.2.2 rmind struct diofb *sc_fb; 62 1.3.2.2 rmind struct diofb sc_fb_store; 63 1.3.2.2 rmind int sc_scode; 64 1.3.2.2 rmind }; 65 1.3.2.2 rmind 66 1.3.2.2 rmind static int tvrx_match(device_t, cfdata_t, void *); 67 1.3.2.2 rmind static void tvrx_attach(device_t, device_t, void *); 68 1.3.2.2 rmind 69 1.3.2.2 rmind CFATTACH_DECL_NEW(tvrx, sizeof(struct tvrx_softc), 70 1.3.2.2 rmind tvrx_match, tvrx_attach, NULL, NULL); 71 1.3.2.2 rmind 72 1.3.2.2 rmind static int tvrx_reset(struct diofb *, int, struct diofbreg *); 73 1.3.2.2 rmind 74 1.3.2.2 rmind static int tvrx_ioctl(void *, void *, u_long, void *, int, struct lwp *); 75 1.3.2.2 rmind 76 1.3.2.2 rmind static struct wsdisplay_accessops tvrx_accessops = { 77 1.3.2.2 rmind tvrx_ioctl, 78 1.3.2.2 rmind diofb_mmap, 79 1.3.2.2 rmind diofb_alloc_screen, 80 1.3.2.2 rmind diofb_free_screen, 81 1.3.2.2 rmind diofb_show_screen, 82 1.3.2.2 rmind NULL, /* load_font */ 83 1.3.2.2 rmind }; 84 1.3.2.2 rmind 85 1.3.2.2 rmind /* 86 1.3.2.2 rmind * Attachment glue 87 1.3.2.2 rmind */ 88 1.3.2.2 rmind 89 1.3.2.2 rmind int 90 1.3.2.2 rmind tvrx_match(device_t parent, cfdata_t cf, void *aux) 91 1.3.2.2 rmind { 92 1.3.2.2 rmind struct dio_attach_args *da = aux; 93 1.3.2.2 rmind 94 1.3.2.2 rmind if (da->da_id != DIO_DEVICE_ID_FRAMEBUFFER || 95 1.3.2.2 rmind da->da_secid != DIO_DEVICE_SECID_TIGERSHARK) 96 1.3.2.2 rmind return 0; 97 1.3.2.2 rmind 98 1.3.2.2 rmind return 1; 99 1.3.2.2 rmind } 100 1.3.2.2 rmind 101 1.3.2.2 rmind void 102 1.3.2.2 rmind tvrx_attach(device_t parent, device_t self, void *aux) 103 1.3.2.2 rmind { 104 1.3.2.2 rmind struct tvrx_softc *sc = device_private(self); 105 1.3.2.2 rmind struct dio_attach_args *da = aux; 106 1.3.2.2 rmind bus_space_handle_t bsh; 107 1.3.2.2 rmind struct diofbreg *fbr; 108 1.3.2.2 rmind 109 1.3.2.2 rmind sc->sc_dev = self; 110 1.3.2.2 rmind sc->sc_scode = da->da_scode; 111 1.3.2.2 rmind if (sc->sc_scode == conscode) { 112 1.3.2.2 rmind fbr = (struct diofbreg *)conaddr; /* already mapped */ 113 1.3.2.2 rmind sc->sc_fb = &diofb_cn; 114 1.3.2.2 rmind } else { 115 1.3.2.2 rmind sc->sc_fb = &sc->sc_fb_store; 116 1.3.2.2 rmind if (bus_space_map(da->da_bst, da->da_addr, da->da_size, 0, 117 1.3.2.2 rmind &bsh)) { 118 1.3.2.2 rmind aprint_error(": can't map framebuffer\n"); 119 1.3.2.2 rmind return; 120 1.3.2.2 rmind } 121 1.3.2.2 rmind fbr = bus_space_vaddr(da->da_bst, bsh); 122 1.3.2.2 rmind if (tvrx_reset(sc->sc_fb, sc->sc_scode, fbr) != 0) { 123 1.3.2.2 rmind aprint_error(": can't reset framebuffer\n"); 124 1.3.2.2 rmind return; 125 1.3.2.2 rmind } 126 1.3.2.2 rmind } 127 1.3.2.2 rmind 128 1.3.2.2 rmind diofb_end_attach(self, &tvrx_accessops, sc->sc_fb, 129 1.3.2.2 rmind sc->sc_scode == conscode, NULL); 130 1.3.2.2 rmind } 131 1.3.2.2 rmind 132 1.3.2.2 rmind /* 133 1.3.2.2 rmind * Initialize hardware and display routines. 134 1.3.2.2 rmind */ 135 1.3.2.2 rmind int 136 1.3.2.2 rmind tvrx_reset(struct diofb *fb, int scode, struct diofbreg *fbr) 137 1.3.2.2 rmind { 138 1.3.2.2 rmind int rc; 139 1.3.2.2 rmind 140 1.3.2.2 rmind if ((rc = diofb_fbinquire(fb, scode, fbr)) != 0) 141 1.3.2.2 rmind return rc; 142 1.3.2.2 rmind 143 1.3.2.2 rmind /* 144 1.3.2.2 rmind * We rely on the PROM to initialize the frame buffer in the mode 145 1.3.2.2 rmind * we expect it: cleared, overlay plane enabled and accessible 146 1.3.2.2 rmind * at the beginning of the video memory. 147 1.3.2.2 rmind * 148 1.3.2.2 rmind * This is NOT the mode we would end up by simply resetting the 149 1.3.2.2 rmind * board. 150 1.3.2.2 rmind */ 151 1.3.2.2 rmind 152 1.3.2.2 rmind fb->ri.ri_depth = 1; 153 1.3.2.2 rmind fb->bmv = diofb_mono_windowmove; 154 1.3.2.2 rmind diofb_fbsetup(fb); 155 1.3.2.2 rmind 156 1.3.2.2 rmind return 0; 157 1.3.2.2 rmind } 158 1.3.2.2 rmind 159 1.3.2.2 rmind int 160 1.3.2.2 rmind tvrx_ioctl(void *v, void *vs, u_long cmd, void *data, int flags, struct lwp *l) 161 1.3.2.2 rmind { 162 1.3.2.2 rmind struct diofb *fb = v; 163 1.3.2.2 rmind struct wsdisplay_fbinfo *wdf; 164 1.3.2.2 rmind 165 1.3.2.2 rmind switch (cmd) { 166 1.3.2.2 rmind case WSDISPLAYIO_GTYPE: 167 1.3.2.2 rmind *(u_int *)data = WSDISPLAY_TYPE_TVRX; 168 1.3.2.2 rmind return 0; 169 1.3.2.2 rmind case WSDISPLAYIO_SMODE: 170 1.3.2.2 rmind fb->mapmode = *(u_int *)data; 171 1.3.2.2 rmind return 0; 172 1.3.2.2 rmind case WSDISPLAYIO_GINFO: 173 1.3.2.2 rmind wdf = (void *)data; 174 1.3.2.2 rmind wdf->width = fb->ri.ri_width; 175 1.3.2.2 rmind wdf->height = fb->ri.ri_height; 176 1.3.2.2 rmind wdf->depth = fb->ri.ri_depth; 177 1.3.2.2 rmind wdf->cmsize = 0; 178 1.3.2.2 rmind return 0; 179 1.3.2.2 rmind case WSDISPLAYIO_LINEBYTES: 180 1.3.2.2 rmind *(u_int *)data = fb->ri.ri_stride; 181 1.3.2.2 rmind return 0; 182 1.3.2.2 rmind case WSDISPLAYIO_GETCMAP: 183 1.3.2.2 rmind case WSDISPLAYIO_PUTCMAP: 184 1.3.2.2 rmind /* until color support is implemented */ 185 1.3.2.2 rmind return EPASSTHROUGH; 186 1.3.2.2 rmind case WSDISPLAYIO_GVIDEO: 187 1.3.2.2 rmind case WSDISPLAYIO_SVIDEO: 188 1.3.2.2 rmind /* unsupported */ 189 1.3.2.2 rmind return EPASSTHROUGH; 190 1.3.2.2 rmind } 191 1.3.2.2 rmind 192 1.3.2.2 rmind return EPASSTHROUGH; 193 1.3.2.2 rmind } 194 1.3.2.2 rmind 195 1.3.2.2 rmind /* 196 1.3.2.2 rmind * Console support 197 1.3.2.2 rmind */ 198 1.3.2.2 rmind 199 1.3.2.2 rmind int 200 1.3.2.2 rmind tvrxcnattach(bus_space_tag_t bst, bus_addr_t addr, int scode) 201 1.3.2.2 rmind { 202 1.3.2.2 rmind bus_space_handle_t bsh; 203 1.3.2.2 rmind void *va; 204 1.3.2.2 rmind struct diofbreg *fbr; 205 1.3.2.2 rmind struct diofb *fb = &diofb_cn; 206 1.3.2.2 rmind int size; 207 1.3.2.2 rmind 208 1.3.2.2 rmind if (bus_space_map(bst, addr, PAGE_SIZE, 0, &bsh)) 209 1.3.2.2 rmind return 1; 210 1.3.2.2 rmind va = bus_space_vaddr(bst, bsh); 211 1.3.2.2 rmind fbr = va; 212 1.3.2.2 rmind 213 1.3.2.2 rmind if (badaddr(va) || 214 1.3.2.2 rmind fbr->id != GRFHWID || fbr->fbid == GID_TIGER) { 215 1.3.2.2 rmind bus_space_unmap(bst, bsh, PAGE_SIZE); 216 1.3.2.2 rmind return 1; 217 1.3.2.2 rmind } 218 1.3.2.2 rmind 219 1.3.2.2 rmind size = DIO_SIZE(scode, va); 220 1.3.2.2 rmind 221 1.3.2.2 rmind bus_space_unmap(bst, bsh, PAGE_SIZE); 222 1.3.2.2 rmind if (bus_space_map(bst, addr, size, 0, &bsh)) 223 1.3.2.2 rmind return 1; 224 1.3.2.2 rmind va = bus_space_vaddr(bst, bsh); 225 1.3.2.2 rmind 226 1.3.2.2 rmind /* 227 1.3.2.2 rmind * Initialize the framebuffer hardware. 228 1.3.2.2 rmind */ 229 1.3.2.2 rmind conscode = scode; 230 1.3.2.2 rmind conaddr = va; 231 1.3.2.2 rmind tvrx_reset(fb, conscode, (struct diofbreg *)conaddr); 232 1.3.2.2 rmind 233 1.3.2.2 rmind /* 234 1.3.2.2 rmind * Initialize the terminal emulator. 235 1.3.2.2 rmind */ 236 1.3.2.2 rmind diofb_cnattach(fb); 237 1.3.2.2 rmind return 0; 238 1.3.2.2 rmind } 239
Indexes created Sun Oct 26 21:10:03 GMT 2025