1 /* $NetBSD: clpslcd.c,v 1.3 2021/08/07 16:18:43 thorpej Exp $ */ 2 /* 3 * Copyright (c) 2013 KIYOHARA Takashi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: clpslcd.c,v 1.3 2021/08/07 16:18:43 thorpej Exp $"); 29 30 #include "rnd.h" 31 32 #include <sys/param.h> 33 #include <sys/bus.h> 34 #include <sys/device.h> 35 #include <sys/errno.h> 36 37 #include <uvm/uvm_extern.h> 38 39 #include <arm/clps711x/clps711xreg.h> 40 #include <arm/clps711x/clpssocvar.h> 41 42 #include <dev/cons.h> 43 #include <dev/wscons/wsconsio.h> 44 #include <dev/wscons/wsdisplayvar.h> 45 #include <dev/rasops/rasops.h> 46 47 #include "locators.h" 48 49 #define CLPSLCD_DEFAULT_DEPTH 4 50 51 static int is_console; 52 struct clpslcd_softc { 53 device_t sc_dev; 54 55 bus_space_tag_t sc_iot; 56 bus_space_handle_t sc_ioh; 57 58 vaddr_t sc_buffer; 59 60 struct rasops_info sc_ri; 61 }; 62 63 static int clpslcd_match(device_t, cfdata_t, void *); 64 static void clpslcd_attach(device_t, device_t, void *); 65 66 /* wsdisplay functions */ 67 static int clpslcd_ioctl(void *, void *, u_long, void *, int, struct lwp *); 68 static paddr_t clpslcd_mmap(void *, void *, off_t, int); 69 static int clpslcd_alloc_screen(void *, const struct wsscreen_descr *, void **, 70 int *, int *, long *); 71 static void clpslcd_free_screen(void *, void *); 72 static int clpslcd_show_screen(void *, void *, int, 73 void (*)(void *, int, int), void *); 74 75 CFATTACH_DECL_NEW(clpslcd, sizeof(struct clpslcd_softc), 76 clpslcd_match, clpslcd_attach, NULL, NULL); 77 78 79 static struct wsscreen_descr clpslcd_descr = { 80 .name = "clpslcd", 81 .fontwidth = 8, 82 .fontheight = 16, 83 .capabilities = WSSCREEN_WSCOLORS, 84 }; 85 static const struct wsscreen_descr *clpslcd_descrs[] = { 86 &clpslcd_descr 87 }; 88 89 static const struct wsscreen_list clpslcd_screen_list = { 90 .nscreens = __arraycount(clpslcd_descrs), 91 .screens = clpslcd_descrs, 92 }; 93 94 struct wsdisplay_accessops clpslcd_accessops = { 95 clpslcd_ioctl, 96 clpslcd_mmap, 97 clpslcd_alloc_screen, 98 clpslcd_free_screen, 99 clpslcd_show_screen, 100 NULL, 101 NULL, 102 NULL, 103 }; 104 105 /* ARGSUSED */ 106 static int 107 clpslcd_match(device_t parent, cfdata_t match, void *aux) 108 { 109 110 return 1; 111 } 112 113 /* ARGSUSED */ 114 static void 115 clpslcd_attach(device_t parent, device_t self, void *aux) 116 { 117 struct clpslcd_softc *sc = device_private(self); 118 struct clpssoc_attach_args *aa = aux; 119 struct wsemuldisplaydev_attach_args waa; 120 prop_dictionary_t dict = device_properties(self); 121 struct rasops_info *ri; 122 uint32_t syscon, lcdcon, depth, width, height, addr; 123 int i; 124 125 aprint_naive("\n"); 126 aprint_normal("\n"); 127 128 sc->sc_dev = self; 129 sc->sc_iot = aa->aa_iot; 130 sc->sc_ioh = *aa->aa_ioh; 131 132 if (!prop_dictionary_get_uint32(dict, "width", &width) || 133 !prop_dictionary_get_uint32(dict, "height", &height) || 134 !prop_dictionary_get_uint32(dict, "addr", &addr)) { 135 aprint_error_dev(self, "can't get properties\n"); 136 return; 137 } 138 KASSERT(addr == 0xc0000000); 139 140 sc->sc_buffer = addr; 141 142 depth = CLPSLCD_DEFAULT_DEPTH; 143 lcdcon = 144 LCDCON_GSEN | 145 LCDCON_ACP(13) | 146 LCDCON_PP(width * height) | 147 LCDCON_LL(width) | 148 LCDCON_VBS(width * height * depth); 149 if (depth == 4) 150 lcdcon |= LCDCON_GSMD; 151 152 syscon = bus_space_read_4(sc->sc_iot, sc->sc_ioh, PS711X_SYSCON); 153 bus_space_write_4(sc->sc_iot, sc->sc_ioh, PS711X_SYSCON, 154 syscon | SYSCON_LCDEN); 155 bus_space_write_4(sc->sc_iot, sc->sc_ioh, PS711X_LCDCON, lcdcon); 156 bus_space_write_4(sc->sc_iot, sc->sc_ioh, PS711X_PALLSW, 0x54321fc0); 157 bus_space_write_4(sc->sc_iot, sc->sc_ioh, PS711X_PALMSW, 0xedba9876); 158 159 aprint_normal_dev(self, 160 ": %dx%d pixels, %d bpp mono\n", width, height, depth); 161 162 ri = &sc->sc_ri; 163 ri->ri_depth = depth; 164 ri->ri_bits = (void *)addr; 165 ri->ri_width = width; 166 ri->ri_height = height; 167 ri->ri_stride = width * ri->ri_depth / 8/*bits*/; 168 ri->ri_flg = RI_FORCEMONO | RI_CLEAR | RI_CENTER; 169 170 if (is_console) { 171 long defattr; 172 173 if (rasops_init(ri, 0, 0) < 0) 174 panic("rasops_init failed"); 175 176 if (ri->ri_depth == 4) { 177 /* XXXXX: Create color map. */ 178 ri->ri_devcmap[0] = 0; 179 for (i = 1; i < 15; i++) { 180 ri->ri_devcmap[i] = 181 i | (i << 8) | (i << 16) | (i << 24); 182 } 183 } 184 ri->ri_devcmap[15] = -1; 185 186 clpslcd_descr.ncols = ri->ri_cols; 187 clpslcd_descr.nrows = ri->ri_rows; 188 clpslcd_descr.textops = &ri->ri_ops; 189 clpslcd_descr.capabilities = ri->ri_caps; 190 191 if ((ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr) != 0) 192 panic("allocattr failed"); 193 wsdisplay_cnattach(&clpslcd_descr, ri, ri->ri_ccol, ri->ri_crow, 194 defattr); 195 } 196 197 waa.console = is_console; 198 waa.scrdata = &clpslcd_screen_list; 199 waa.accessops = &clpslcd_accessops; 200 waa.accesscookie = sc; 201 202 config_found(self, &waa, wsemuldisplaydevprint, CFARGS_NONE); 203 } 204 205 static int 206 clpslcd_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 207 struct lwp *l) 208 { 209 struct clpslcd_softc *sc = v; 210 struct wsdisplay_fbinfo *wsdisp_info; 211 212 switch (cmd) { 213 case WSDISPLAYIO_GTYPE: 214 *(int *)data = WSDISPLAY_TYPE_CLPS711X; 215 return 0; 216 217 case WSDISPLAYIO_GINFO: 218 wsdisp_info = (struct wsdisplay_fbinfo *)data; 219 wsdisp_info->height = sc->sc_ri.ri_height; 220 wsdisp_info->width = sc->sc_ri.ri_width; 221 wsdisp_info->depth = sc->sc_ri.ri_depth; 222 wsdisp_info->cmsize = 0; 223 return 0; 224 225 case WSDISPLAYIO_GVIDEO: 226 if (1) /* XXXX */ 227 *(int *)data = WSDISPLAYIO_VIDEO_ON; 228 else 229 *(int *)data = WSDISPLAYIO_VIDEO_OFF; 230 return 0; 231 232 case WSDISPLAYIO_SVIDEO: 233 if (*(int *)data == WSDISPLAYIO_VIDEO_ON) { 234 /* XXXX: turn on */ 235 } else { 236 /* XXXX: turn off */ 237 } 238 return 0; 239 240 case WSDISPLAYIO_LINEBYTES: 241 *(int *)data = sc->sc_ri.ri_stride; 242 return 0; 243 } 244 245 return EPASSTHROUGH; 246 } 247 248 static paddr_t 249 clpslcd_mmap(void *v, void *vs, off_t off, int prot) 250 { 251 struct clpslcd_softc *sc = v; 252 253 if (off < 0 || sc->sc_ri.ri_stride * sc->sc_ri.ri_height <= off) 254 return -1; 255 256 return (paddr_t)sc->sc_ri.ri_bits + off; 257 } 258 259 static int 260 clpslcd_alloc_screen(void *v, const struct wsscreen_descr *scr, void **cookiep, 261 int *curxp, int *curyp, long *attrp) 262 { 263 printf("%s\n", __func__); 264 return -1; 265 } 266 267 static void 268 clpslcd_free_screen(void *v, void *cookie) 269 { 270 printf("%s\n", __func__); 271 } 272 273 static int 274 clpslcd_show_screen(void *v, void *cookie, int waitok, 275 void (*func)(void *, int, int), void *arg) 276 { 277 printf("%s\n", __func__); 278 return -1; 279 } 280 281 int 282 clpslcd_cnattach(void) 283 { 284 285 is_console = 1; 286 return 0; 287 } 288
Indexes created Tue Sep 23 01:09:51 GMT 2025