1239922Sgonzo/*- 2239922Sgonzo * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3239922Sgonzo * All rights reserved. 4239922Sgonzo * 5239922Sgonzo * Redistribution and use in source and binary forms, with or without 6239922Sgonzo * modification, are permitted provided that the following conditions 7239922Sgonzo * are met: 8239922Sgonzo * 1. Redistributions of source code must retain the above copyright 9239922Sgonzo * notice, this list of conditions and the following disclaimer. 10239922Sgonzo * 2. Redistributions in binary form must reproduce the above copyright 11239922Sgonzo * notice, this list of conditions and the following disclaimer in the 12239922Sgonzo * documentation and/or other materials provided with the distribution. 13239922Sgonzo * 14239922Sgonzo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15239922Sgonzo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16239922Sgonzo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17239922Sgonzo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18239922Sgonzo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19239922Sgonzo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20239922Sgonzo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21239922Sgonzo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22239922Sgonzo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23239922Sgonzo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24239922Sgonzo * SUCH DAMAGE. 25239922Sgonzo * 26239922Sgonzo */ 27239922Sgonzo#include <sys/cdefs.h> 28239922Sgonzo__FBSDID("$FreeBSD: stable/11/sys/arm/broadcom/bcm2835/bcm2835_fb.c 356110 2019-12-27 03:00:18Z kevans $"); 29239922Sgonzo 30239922Sgonzo#include <sys/param.h> 31239922Sgonzo#include <sys/systm.h> 32239922Sgonzo#include <sys/bus.h> 33282358Sloos#include <sys/consio.h> 34282358Sloos#include <sys/fbio.h> 35282358Sloos#include <sys/kdb.h> 36239922Sgonzo#include <sys/kernel.h> 37239922Sgonzo#include <sys/malloc.h> 38239922Sgonzo#include <sys/module.h> 39239922Sgonzo 40282358Sloos#include <vm/vm.h> 41282358Sloos#include <vm/pmap.h> 42239922Sgonzo 43282358Sloos#include <dev/fb/fbreg.h> 44239922Sgonzo#include <dev/fdt/fdt_common.h> 45239922Sgonzo#include <dev/ofw/ofw_bus.h> 46239922Sgonzo#include <dev/ofw/ofw_bus_subr.h> 47239922Sgonzo#include <dev/syscons/syscons.h> 48239922Sgonzo 49282358Sloos#include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h> 50239922Sgonzo 51253006Srpaulo#include "mbox_if.h" 52253006Srpaulo 53243423Sgonzostruct argb { 54243423Sgonzo uint8_t a; 55243423Sgonzo uint8_t r; 56243423Sgonzo uint8_t g; 57243423Sgonzo uint8_t b; 58243423Sgonzo}; 59243423Sgonzo 60243423Sgonzostatic struct argb bcmfb_palette[16] = { 61243423Sgonzo {0x00, 0x00, 0x00, 0x00}, 62243423Sgonzo {0x00, 0x00, 0x00, 0xaa}, 63243423Sgonzo {0x00, 0x00, 0xaa, 0x00}, 64243423Sgonzo {0x00, 0x00, 0xaa, 0xaa}, 65243423Sgonzo {0x00, 0xaa, 0x00, 0x00}, 66243423Sgonzo {0x00, 0xaa, 0x00, 0xaa}, 67243423Sgonzo {0x00, 0xaa, 0x55, 0x00}, 68243423Sgonzo {0x00, 0xaa, 0xaa, 0xaa}, 69243423Sgonzo {0x00, 0x55, 0x55, 0x55}, 70243423Sgonzo {0x00, 0x55, 0x55, 0xff}, 71243423Sgonzo {0x00, 0x55, 0xff, 0x55}, 72243423Sgonzo {0x00, 0x55, 0xff, 0xff}, 73243423Sgonzo {0x00, 0xff, 0x55, 0x55}, 74243423Sgonzo {0x00, 0xff, 0x55, 0xff}, 75243423Sgonzo {0x00, 0xff, 0xff, 0x55}, 76243423Sgonzo {0x00, 0xff, 0xff, 0xff} 77243423Sgonzo}; 78243423Sgonzo 79244762Sgonzo/* mouse pointer from dev/syscons/scgfbrndr.c */ 80244762Sgonzostatic u_char mouse_pointer[16] = { 81244762Sgonzo 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 82244762Sgonzo 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 83244762Sgonzo}; 84244762Sgonzo 85282358Sloos#define BCMFB_FONT_HEIGHT 16 86282358Sloos#define BCMFB_FONT_WIDTH 8 87282358Sloos#define FB_WIDTH 640 88282358Sloos#define FB_HEIGHT 480 89282358Sloos#define FB_DEPTH 24 90239922Sgonzo 91239922Sgonzostruct bcmsc_softc { 92239922Sgonzo /* Videoadpater part */ 93239922Sgonzo video_adapter_t va; 94239922Sgonzo 95239922Sgonzo intptr_t fb_addr; 96245389Sray intptr_t fb_paddr; 97239922Sgonzo unsigned int fb_size; 98239922Sgonzo 99239922Sgonzo unsigned int height; 100239922Sgonzo unsigned int width; 101243423Sgonzo unsigned int depth; 102239922Sgonzo unsigned int stride; 103239922Sgonzo 104239922Sgonzo unsigned int xmargin; 105239922Sgonzo unsigned int ymargin; 106239922Sgonzo 107239922Sgonzo unsigned char *font; 108282358Sloos int fbswap; 109239922Sgonzo int initialized; 110239922Sgonzo}; 111239922Sgonzo 112282358Sloosstatic struct bcmsc_softc bcmsc; 113239922Sgonzo 114307575Sgonzostatic struct ofw_compat_data compat_data[] = { 115307575Sgonzo {"broadcom,bcm2835-fb", 1}, 116307575Sgonzo {"brcm,bcm2708-fb", 1}, 117307575Sgonzo {NULL, 0} 118307575Sgonzo}; 119307575Sgonzo 120239922Sgonzostatic int bcm_fb_probe(device_t); 121239922Sgonzostatic int bcm_fb_attach(device_t); 122243423Sgonzostatic void bcmfb_update_margins(video_adapter_t *adp); 123243423Sgonzostatic int bcmfb_configure(int); 124239922Sgonzo 125239922Sgonzostatic int 126239922Sgonzobcm_fb_probe(device_t dev) 127239922Sgonzo{ 128282358Sloos int error; 129239922Sgonzo 130307575Sgonzo if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) 131239922Sgonzo return (ENXIO); 132307575Sgonzo 133239922Sgonzo device_set_desc(dev, "BCM2835 framebuffer device"); 134239922Sgonzo error = sc_probe_unit(device_get_unit(dev), 135239922Sgonzo device_get_flags(dev) | SC_AUTODETECT_KBD); 136239922Sgonzo if (error != 0) 137239922Sgonzo return (error); 138239922Sgonzo 139239922Sgonzo return (BUS_PROBE_DEFAULT); 140239922Sgonzo} 141239922Sgonzo 142239922Sgonzostatic int 143239922Sgonzobcm_fb_attach(device_t dev) 144239922Sgonzo{ 145282358Sloos struct bcm2835_fb_config fb; 146282358Sloos struct bcmsc_softc *sc; 147239922Sgonzo 148282358Sloos sc = (struct bcmsc_softc *)vid_get_adapter(vid_find_adapter( 149282358Sloos "bcmfb", 0)); 150282358Sloos if (sc != NULL) 151282358Sloos device_set_softc(dev, sc); 152282358Sloos else 153282358Sloos sc = device_get_softc(dev); 154282358Sloos 155282358Sloos memset(&fb, 0, sizeof(fb)); 156298305Sgonzo if (bcm2835_mbox_fb_get_w_h(&fb) != 0) 157239922Sgonzo return (ENXIO); 158282358Sloos fb.bpp = FB_DEPTH; 159298383Sgonzo fb.vxres = fb.xres; 160298383Sgonzo fb.vyres = fb.yres; 161298383Sgonzo fb.xoffset = fb.yoffset = 0; 162298305Sgonzo if (bcm2835_mbox_fb_init(&fb) != 0) 163282358Sloos return (ENXIO); 164239922Sgonzo 165282358Sloos sc->fb_addr = (intptr_t)pmap_mapdev(fb.base, fb.size); 166282358Sloos sc->fb_paddr = fb.base; 167282358Sloos sc->fb_size = fb.size; 168282358Sloos sc->depth = fb.bpp; 169282358Sloos sc->stride = fb.pitch; 170282358Sloos sc->width = fb.xres; 171282358Sloos sc->height = fb.yres; 172282358Sloos bcmfb_update_margins(&sc->va); 173239922Sgonzo 174282358Sloos if (sc_attach_unit(device_get_unit(dev), 175282358Sloos device_get_flags(dev) | SC_AUTODETECT_KBD) != 0) { 176239922Sgonzo device_printf(dev, "failed to attach syscons\n"); 177282358Sloos return (ENXIO); 178239922Sgonzo } 179239922Sgonzo 180282358Sloos device_printf(dev, "%dx%d(%dx%d@%d,%d) %dbpp\n", fb.xres, fb.yres, 181282358Sloos fb.vxres, fb.vyres, fb.xoffset, fb.yoffset, fb.bpp); 182282358Sloos device_printf(dev, 183282358Sloos "fbswap: %d, pitch %d, base 0x%08x, screen_size %d\n", 184282358Sloos sc->fbswap, fb.pitch, fb.base, fb.size); 185239922Sgonzo 186239922Sgonzo return (0); 187239922Sgonzo} 188239922Sgonzo 189239922Sgonzostatic device_method_t bcm_fb_methods[] = { 190239922Sgonzo /* Device interface */ 191239922Sgonzo DEVMETHOD(device_probe, bcm_fb_probe), 192239922Sgonzo DEVMETHOD(device_attach, bcm_fb_attach), 193239922Sgonzo 194239922Sgonzo { 0, 0 } 195239922Sgonzo}; 196239922Sgonzo 197239922Sgonzostatic devclass_t bcm_fb_devclass; 198239922Sgonzo 199239922Sgonzostatic driver_t bcm_fb_driver = { 200239922Sgonzo "fb", 201239922Sgonzo bcm_fb_methods, 202239922Sgonzo sizeof(struct bcmsc_softc), 203239922Sgonzo}; 204239922Sgonzo 205261513SnwhitehornDRIVER_MODULE(bcm2835fb, ofwbus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 206307575SgonzoDRIVER_MODULE(bcm2835fb, simplebus, bcm_fb_driver, bcm_fb_devclass, 0, 0); 207239922Sgonzo 208239922Sgonzo/* 209239922Sgonzo * Video driver routines and glue. 210239922Sgonzo */ 211239922Sgonzostatic vi_probe_t bcmfb_probe; 212239922Sgonzostatic vi_init_t bcmfb_init; 213239922Sgonzostatic vi_get_info_t bcmfb_get_info; 214239922Sgonzostatic vi_query_mode_t bcmfb_query_mode; 215239922Sgonzostatic vi_set_mode_t bcmfb_set_mode; 216239922Sgonzostatic vi_save_font_t bcmfb_save_font; 217239922Sgonzostatic vi_load_font_t bcmfb_load_font; 218239922Sgonzostatic vi_show_font_t bcmfb_show_font; 219239922Sgonzostatic vi_save_palette_t bcmfb_save_palette; 220239922Sgonzostatic vi_load_palette_t bcmfb_load_palette; 221239922Sgonzostatic vi_set_border_t bcmfb_set_border; 222239922Sgonzostatic vi_save_state_t bcmfb_save_state; 223239922Sgonzostatic vi_load_state_t bcmfb_load_state; 224239922Sgonzostatic vi_set_win_org_t bcmfb_set_win_org; 225239922Sgonzostatic vi_read_hw_cursor_t bcmfb_read_hw_cursor; 226239922Sgonzostatic vi_set_hw_cursor_t bcmfb_set_hw_cursor; 227239922Sgonzostatic vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 228239922Sgonzostatic vi_blank_display_t bcmfb_blank_display; 229239922Sgonzostatic vi_mmap_t bcmfb_mmap; 230239922Sgonzostatic vi_ioctl_t bcmfb_ioctl; 231239922Sgonzostatic vi_clear_t bcmfb_clear; 232239922Sgonzostatic vi_fill_rect_t bcmfb_fill_rect; 233239922Sgonzostatic vi_bitblt_t bcmfb_bitblt; 234239922Sgonzostatic vi_diag_t bcmfb_diag; 235239922Sgonzostatic vi_save_cursor_palette_t bcmfb_save_cursor_palette; 236239922Sgonzostatic vi_load_cursor_palette_t bcmfb_load_cursor_palette; 237239922Sgonzostatic vi_copy_t bcmfb_copy; 238239922Sgonzostatic vi_putp_t bcmfb_putp; 239239922Sgonzostatic vi_putc_t bcmfb_putc; 240239922Sgonzostatic vi_puts_t bcmfb_puts; 241239922Sgonzostatic vi_putm_t bcmfb_putm; 242239922Sgonzo 243239922Sgonzostatic video_switch_t bcmfbvidsw = { 244239922Sgonzo .probe = bcmfb_probe, 245239922Sgonzo .init = bcmfb_init, 246239922Sgonzo .get_info = bcmfb_get_info, 247239922Sgonzo .query_mode = bcmfb_query_mode, 248239922Sgonzo .set_mode = bcmfb_set_mode, 249239922Sgonzo .save_font = bcmfb_save_font, 250239922Sgonzo .load_font = bcmfb_load_font, 251239922Sgonzo .show_font = bcmfb_show_font, 252239922Sgonzo .save_palette = bcmfb_save_palette, 253239922Sgonzo .load_palette = bcmfb_load_palette, 254239922Sgonzo .set_border = bcmfb_set_border, 255239922Sgonzo .save_state = bcmfb_save_state, 256239922Sgonzo .load_state = bcmfb_load_state, 257239922Sgonzo .set_win_org = bcmfb_set_win_org, 258239922Sgonzo .read_hw_cursor = bcmfb_read_hw_cursor, 259239922Sgonzo .set_hw_cursor = bcmfb_set_hw_cursor, 260239922Sgonzo .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 261239922Sgonzo .blank_display = bcmfb_blank_display, 262239922Sgonzo .mmap = bcmfb_mmap, 263239922Sgonzo .ioctl = bcmfb_ioctl, 264239922Sgonzo .clear = bcmfb_clear, 265239922Sgonzo .fill_rect = bcmfb_fill_rect, 266239922Sgonzo .bitblt = bcmfb_bitblt, 267239922Sgonzo .diag = bcmfb_diag, 268239922Sgonzo .save_cursor_palette = bcmfb_save_cursor_palette, 269239922Sgonzo .load_cursor_palette = bcmfb_load_cursor_palette, 270239922Sgonzo .copy = bcmfb_copy, 271239922Sgonzo .putp = bcmfb_putp, 272239922Sgonzo .putc = bcmfb_putc, 273239922Sgonzo .puts = bcmfb_puts, 274239922Sgonzo .putm = bcmfb_putm, 275239922Sgonzo}; 276239922Sgonzo 277239922SgonzoVIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 278239922Sgonzo 279244762Sgonzostatic vr_init_t bcmrend_init; 280244762Sgonzostatic vr_clear_t bcmrend_clear; 281244762Sgonzostatic vr_draw_border_t bcmrend_draw_border; 282244762Sgonzostatic vr_draw_t bcmrend_draw; 283244762Sgonzostatic vr_set_cursor_t bcmrend_set_cursor; 284244762Sgonzostatic vr_draw_cursor_t bcmrend_draw_cursor; 285244762Sgonzostatic vr_blink_cursor_t bcmrend_blink_cursor; 286244762Sgonzostatic vr_set_mouse_t bcmrend_set_mouse; 287244762Sgonzostatic vr_draw_mouse_t bcmrend_draw_mouse; 288244762Sgonzo 289244762Sgonzo/* 290244762Sgonzo * We use our own renderer; this is because we must emulate a hardware 291244762Sgonzo * cursor. 292244762Sgonzo */ 293244762Sgonzostatic sc_rndr_sw_t bcmrend = { 294244762Sgonzo bcmrend_init, 295244762Sgonzo bcmrend_clear, 296244762Sgonzo bcmrend_draw_border, 297244762Sgonzo bcmrend_draw, 298244762Sgonzo bcmrend_set_cursor, 299244762Sgonzo bcmrend_draw_cursor, 300244762Sgonzo bcmrend_blink_cursor, 301244762Sgonzo bcmrend_set_mouse, 302244762Sgonzo bcmrend_draw_mouse 303244762Sgonzo}; 304244762Sgonzo 305244762SgonzoRENDERER(bcmfb, 0, bcmrend, gfb_set); 306239922SgonzoRENDERER_MODULE(bcmfb, gfb_set); 307239922Sgonzo 308244762Sgonzostatic void 309244762Sgonzobcmrend_init(scr_stat* scp) 310244762Sgonzo{ 311244762Sgonzo} 312244762Sgonzo 313244762Sgonzostatic void 314244762Sgonzobcmrend_clear(scr_stat* scp, int c, int attr) 315244762Sgonzo{ 316244762Sgonzo} 317244762Sgonzo 318244762Sgonzostatic void 319244762Sgonzobcmrend_draw_border(scr_stat* scp, int color) 320244762Sgonzo{ 321244762Sgonzo} 322244762Sgonzo 323244762Sgonzostatic void 324244762Sgonzobcmrend_draw(scr_stat* scp, int from, int count, int flip) 325244762Sgonzo{ 326244762Sgonzo video_adapter_t* adp = scp->sc->adp; 327244762Sgonzo int i, c, a; 328244762Sgonzo 329244762Sgonzo if (!flip) { 330244762Sgonzo /* Normal printing */ 331244762Sgonzo vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 332244762Sgonzo } else { 333244762Sgonzo /* This is for selections and such: invert the color attribute */ 334244762Sgonzo for (i = count; i-- > 0; ++from) { 335244762Sgonzo c = sc_vtb_getc(&scp->vtb, from); 336244762Sgonzo a = sc_vtb_geta(&scp->vtb, from) >> 8; 337244762Sgonzo vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 338244762Sgonzo } 339244762Sgonzo } 340244762Sgonzo} 341244762Sgonzo 342244762Sgonzostatic void 343244762Sgonzobcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 344244762Sgonzo{ 345244762Sgonzo} 346244762Sgonzo 347244762Sgonzostatic void 348244762Sgonzobcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 349244762Sgonzo{ 350282358Sloos int bytes, col, i, j, row; 351282358Sloos struct bcmsc_softc *sc; 352244762Sgonzo uint8_t *addr; 353282358Sloos video_adapter_t *adp; 354244762Sgonzo 355282358Sloos adp = scp->sc->adp; 356282358Sloos sc = (struct bcmsc_softc *)adp; 357244762Sgonzo 358244762Sgonzo if (scp->curs_attr.height <= 0) 359244762Sgonzo return; 360244762Sgonzo 361244762Sgonzo if (sc->fb_addr == 0) 362244762Sgonzo return; 363244762Sgonzo 364244762Sgonzo if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 365244762Sgonzo return; 366244762Sgonzo 367244762Sgonzo /* calculate the coordinates in the video buffer */ 368244762Sgonzo row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 369244762Sgonzo col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 370244762Sgonzo 371244762Sgonzo addr = (uint8_t *)sc->fb_addr 372244762Sgonzo + (row + sc->ymargin)*(sc->stride) 373244762Sgonzo + (sc->depth/8) * (col + sc->xmargin); 374244762Sgonzo 375282358Sloos bytes = sc->depth / 8; 376244762Sgonzo /* our cursor consists of simply inverting the char under it */ 377244762Sgonzo for (i = 0; i < adp->va_info.vi_cheight; i++) { 378244762Sgonzo for (j = 0; j < adp->va_info.vi_cwidth; j++) { 379244762Sgonzo switch (sc->depth) { 380244762Sgonzo case 32: 381244762Sgonzo case 24: 382244762Sgonzo addr[bytes*j + 2] ^= 0xff; 383244762Sgonzo /* FALLTHROUGH */ 384244762Sgonzo case 16: 385244762Sgonzo addr[bytes*j + 1] ^= 0xff; 386244762Sgonzo addr[bytes*j] ^= 0xff; 387244762Sgonzo break; 388244762Sgonzo default: 389244762Sgonzo break; 390244762Sgonzo } 391244762Sgonzo } 392244762Sgonzo 393244762Sgonzo addr += sc->stride; 394244762Sgonzo } 395244762Sgonzo} 396244762Sgonzo 397244762Sgonzostatic void 398244762Sgonzobcmrend_blink_cursor(scr_stat* scp, int at, int flip) 399244762Sgonzo{ 400244762Sgonzo} 401244762Sgonzo 402244762Sgonzostatic void 403244762Sgonzobcmrend_set_mouse(scr_stat* scp) 404244762Sgonzo{ 405244762Sgonzo} 406244762Sgonzo 407244762Sgonzostatic void 408244762Sgonzobcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 409244762Sgonzo{ 410244762Sgonzo vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 411244762Sgonzo} 412244762Sgonzo 413239922Sgonzostatic uint16_t bcmfb_static_window[ROW*COL]; 414239922Sgonzoextern u_char dflt_font_16[]; 415239922Sgonzo 416243423Sgonzo/* 417243423Sgonzo * Update videoadapter settings after changing resolution 418243423Sgonzo */ 419243423Sgonzostatic void 420243423Sgonzobcmfb_update_margins(video_adapter_t *adp) 421243423Sgonzo{ 422282358Sloos struct bcmsc_softc *sc; 423243423Sgonzo video_info_t *vi; 424243423Sgonzo 425282358Sloos sc = (struct bcmsc_softc *)adp; 426243423Sgonzo vi = &adp->va_info; 427243423Sgonzo 428243423Sgonzo sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 429282358Sloos sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 430243423Sgonzo} 431243423Sgonzo 432239922Sgonzostatic int 433239922Sgonzobcmfb_configure(int flags) 434239922Sgonzo{ 435282358Sloos char bootargs[2048], *n, *p, *v; 436243423Sgonzo pcell_t cell; 437282358Sloos phandle_t chosen, display, root; 438282358Sloos struct bcmsc_softc *sc; 439239922Sgonzo 440282358Sloos sc = &bcmsc; 441282358Sloos if (sc->initialized) 442243423Sgonzo return (0); 443239922Sgonzo 444282358Sloos sc->width = 0; 445282358Sloos sc->height = 0; 446239922Sgonzo 447243423Sgonzo /* 448243423Sgonzo * It seems there is no way to let syscons framework know 449243423Sgonzo * that framebuffer resolution has changed. So just try 450282358Sloos * to fetch data from FDT bootargs, FDT display data and 451282358Sloos * finally go with defaults if everything else has failed. 452243423Sgonzo */ 453282358Sloos chosen = OF_finddevice("/chosen"); 454282358Sloos if (chosen != 0 && 455282358Sloos OF_getprop(chosen, "bootargs", &bootargs, sizeof(bootargs)) > 0) { 456282358Sloos p = bootargs; 457282358Sloos while ((v = strsep(&p, " ")) != NULL) { 458282358Sloos if (*v == '\0') 459282358Sloos continue; 460282358Sloos n = strsep(&v, "="); 461282358Sloos if (strcmp(n, "bcm2708_fb.fbwidth") == 0 && v != NULL) 462282358Sloos sc->width = (unsigned int)strtol(v, NULL, 0); 463282358Sloos else if (strcmp(n, "bcm2708_fb.fbheight") == 0 && 464282358Sloos v != NULL) 465282358Sloos sc->height = (unsigned int)strtol(v, NULL, 0); 466282358Sloos else if (strcmp(n, "bcm2708_fb.fbswap") == 0 && 467282358Sloos v != NULL) 468282358Sloos if (*v == '1') 469282358Sloos sc->fbswap = 1; 470282358Sloos } 471282358Sloos } 472282358Sloos 473243423Sgonzo root = OF_finddevice("/"); 474243423Sgonzo if ((root != 0) && 475243423Sgonzo (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 476282358Sloos if (sc->width == 0) { 477314503Sian if ((OF_getencprop(display, "broadcom,width", 478282358Sloos &cell, sizeof(cell))) > 0) 479314503Sian sc->width = cell; 480282358Sloos } 481239922Sgonzo 482282358Sloos if (sc->height == 0) { 483282358Sloos if ((OF_getprop(display, "broadcom,height", 484282358Sloos &cell, sizeof(cell))) > 0) 485314503Sian sc->height = cell; 486282358Sloos } 487243423Sgonzo } 488239922Sgonzo 489282358Sloos if (sc->width == 0) 490282358Sloos sc->width = FB_WIDTH; 491282358Sloos if (sc->height == 0) 492282358Sloos sc->height = FB_HEIGHT; 493243423Sgonzo 494282358Sloos bcmfb_init(0, &sc->va, 0); 495282358Sloos sc->initialized = 1; 496243423Sgonzo 497239922Sgonzo return (0); 498239922Sgonzo} 499239922Sgonzo 500239922Sgonzostatic int 501239922Sgonzobcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 502239922Sgonzo{ 503239922Sgonzo 504239922Sgonzo return (0); 505239922Sgonzo} 506239922Sgonzo 507239922Sgonzostatic int 508239922Sgonzobcmfb_init(int unit, video_adapter_t *adp, int flags) 509239922Sgonzo{ 510282358Sloos struct bcmsc_softc *sc; 511239922Sgonzo video_info_t *vi; 512239922Sgonzo 513282358Sloos sc = (struct bcmsc_softc *)adp; 514239922Sgonzo vi = &adp->va_info; 515239922Sgonzo 516239922Sgonzo vid_init_struct(adp, "bcmfb", -1, unit); 517239922Sgonzo 518239922Sgonzo sc->font = dflt_font_16; 519239922Sgonzo vi->vi_cheight = BCMFB_FONT_HEIGHT; 520282358Sloos vi->vi_cwidth = BCMFB_FONT_WIDTH; 521282358Sloos vi->vi_width = sc->width / vi->vi_cwidth; 522282358Sloos vi->vi_height = sc->height / vi->vi_cheight; 523243423Sgonzo 524239922Sgonzo /* 525239922Sgonzo * Clamp width/height to syscons maximums 526239922Sgonzo */ 527239922Sgonzo if (vi->vi_width > COL) 528239922Sgonzo vi->vi_width = COL; 529239922Sgonzo if (vi->vi_height > ROW) 530239922Sgonzo vi->vi_height = ROW; 531239922Sgonzo 532239922Sgonzo sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 533282358Sloos sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight)) / 2; 534239922Sgonzo 535239922Sgonzo adp->va_window = (vm_offset_t) bcmfb_static_window; 536239922Sgonzo adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 537239922Sgonzo 538239922Sgonzo vid_register(&sc->va); 539239922Sgonzo 540239922Sgonzo return (0); 541239922Sgonzo} 542239922Sgonzo 543239922Sgonzostatic int 544239922Sgonzobcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 545239922Sgonzo{ 546239922Sgonzo bcopy(&adp->va_info, info, sizeof(*info)); 547239922Sgonzo return (0); 548239922Sgonzo} 549239922Sgonzo 550239922Sgonzostatic int 551239922Sgonzobcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 552239922Sgonzo{ 553239922Sgonzo return (0); 554239922Sgonzo} 555239922Sgonzo 556239922Sgonzostatic int 557239922Sgonzobcmfb_set_mode(video_adapter_t *adp, int mode) 558239922Sgonzo{ 559239922Sgonzo return (0); 560239922Sgonzo} 561239922Sgonzo 562239922Sgonzostatic int 563239922Sgonzobcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 564239922Sgonzo u_char *data, int c, int count) 565239922Sgonzo{ 566239922Sgonzo return (0); 567239922Sgonzo} 568239922Sgonzo 569239922Sgonzostatic int 570239922Sgonzobcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 571239922Sgonzo u_char *data, int c, int count) 572239922Sgonzo{ 573282358Sloos struct bcmsc_softc *sc; 574239922Sgonzo 575282358Sloos sc = (struct bcmsc_softc *)adp; 576239922Sgonzo sc->font = data; 577239922Sgonzo 578239922Sgonzo return (0); 579239922Sgonzo} 580239922Sgonzo 581239922Sgonzostatic int 582239922Sgonzobcmfb_show_font(video_adapter_t *adp, int page) 583239922Sgonzo{ 584239922Sgonzo return (0); 585239922Sgonzo} 586239922Sgonzo 587239922Sgonzostatic int 588239922Sgonzobcmfb_save_palette(video_adapter_t *adp, u_char *palette) 589239922Sgonzo{ 590239922Sgonzo return (0); 591239922Sgonzo} 592239922Sgonzo 593239922Sgonzostatic int 594239922Sgonzobcmfb_load_palette(video_adapter_t *adp, u_char *palette) 595239922Sgonzo{ 596239922Sgonzo return (0); 597239922Sgonzo} 598239922Sgonzo 599239922Sgonzostatic int 600239922Sgonzobcmfb_set_border(video_adapter_t *adp, int border) 601239922Sgonzo{ 602239922Sgonzo return (bcmfb_blank_display(adp, border)); 603239922Sgonzo} 604239922Sgonzo 605239922Sgonzostatic int 606239922Sgonzobcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 607239922Sgonzo{ 608239922Sgonzo return (0); 609239922Sgonzo} 610239922Sgonzo 611239922Sgonzostatic int 612239922Sgonzobcmfb_load_state(video_adapter_t *adp, void *p) 613239922Sgonzo{ 614239922Sgonzo return (0); 615239922Sgonzo} 616239922Sgonzo 617239922Sgonzostatic int 618239922Sgonzobcmfb_set_win_org(video_adapter_t *adp, off_t offset) 619239922Sgonzo{ 620239922Sgonzo return (0); 621239922Sgonzo} 622239922Sgonzo 623239922Sgonzostatic int 624239922Sgonzobcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 625239922Sgonzo{ 626239922Sgonzo *col = *row = 0; 627239922Sgonzo 628239922Sgonzo return (0); 629239922Sgonzo} 630239922Sgonzo 631239922Sgonzostatic int 632239922Sgonzobcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 633239922Sgonzo{ 634239922Sgonzo return (0); 635239922Sgonzo} 636239922Sgonzo 637239922Sgonzostatic int 638239922Sgonzobcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 639239922Sgonzo int celsize, int blink) 640239922Sgonzo{ 641239922Sgonzo return (0); 642239922Sgonzo} 643239922Sgonzo 644239922Sgonzostatic int 645239922Sgonzobcmfb_blank_display(video_adapter_t *adp, int mode) 646239922Sgonzo{ 647239922Sgonzo 648282358Sloos struct bcmsc_softc *sc; 649243423Sgonzo 650282358Sloos sc = (struct bcmsc_softc *)adp; 651243423Sgonzo if (sc && sc->fb_addr) 652243423Sgonzo memset((void*)sc->fb_addr, 0, sc->fb_size); 653243423Sgonzo 654239922Sgonzo return (0); 655239922Sgonzo} 656239922Sgonzo 657239922Sgonzostatic int 658239922Sgonzobcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 659239922Sgonzo int prot, vm_memattr_t *memattr) 660239922Sgonzo{ 661282358Sloos struct bcmsc_softc *sc; 662239922Sgonzo 663282358Sloos sc = (struct bcmsc_softc *)adp; 664239922Sgonzo 665239922Sgonzo /* 666239922Sgonzo * This might be a legacy VGA mem request: if so, just point it at the 667239922Sgonzo * framebuffer, since it shouldn't be touched 668239922Sgonzo */ 669239922Sgonzo if (offset < sc->stride*sc->height) { 670245389Sray *paddr = sc->fb_paddr + offset; 671239922Sgonzo return (0); 672239922Sgonzo } 673239922Sgonzo 674239922Sgonzo return (EINVAL); 675239922Sgonzo} 676239922Sgonzo 677239922Sgonzostatic int 678239922Sgonzobcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 679239922Sgonzo{ 680282358Sloos struct bcmsc_softc *sc; 681245389Sray struct fbtype *fb; 682239922Sgonzo 683282358Sloos sc = (struct bcmsc_softc *)adp; 684245389Sray 685245389Sray switch (cmd) { 686245389Sray case FBIOGTYPE: 687245389Sray fb = (struct fbtype *)data; 688245389Sray fb->fb_type = FBTYPE_PCIMISC; 689245389Sray fb->fb_height = sc->height; 690245389Sray fb->fb_width = sc->width; 691245389Sray fb->fb_depth = sc->depth; 692245389Sray if (sc->depth <= 1 || sc->depth > 8) 693245389Sray fb->fb_cmsize = 0; 694245389Sray else 695245389Sray fb->fb_cmsize = 1 << sc->depth; 696245389Sray fb->fb_size = sc->fb_size; 697245389Sray break; 698245389Sray default: 699245389Sray return (fb_commonioctl(adp, cmd, data)); 700245389Sray } 701245389Sray 702239922Sgonzo return (0); 703239922Sgonzo} 704239922Sgonzo 705239922Sgonzostatic int 706239922Sgonzobcmfb_clear(video_adapter_t *adp) 707239922Sgonzo{ 708239922Sgonzo 709239922Sgonzo return (bcmfb_blank_display(adp, 0)); 710239922Sgonzo} 711239922Sgonzo 712239922Sgonzostatic int 713239922Sgonzobcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 714239922Sgonzo{ 715239922Sgonzo 716239922Sgonzo return (0); 717239922Sgonzo} 718239922Sgonzo 719239922Sgonzostatic int 720239922Sgonzobcmfb_bitblt(video_adapter_t *adp, ...) 721239922Sgonzo{ 722239922Sgonzo 723239922Sgonzo return (0); 724239922Sgonzo} 725239922Sgonzo 726239922Sgonzostatic int 727239922Sgonzobcmfb_diag(video_adapter_t *adp, int level) 728239922Sgonzo{ 729239922Sgonzo 730239922Sgonzo return (0); 731239922Sgonzo} 732239922Sgonzo 733239922Sgonzostatic int 734239922Sgonzobcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 735239922Sgonzo{ 736239922Sgonzo 737239922Sgonzo return (0); 738239922Sgonzo} 739239922Sgonzo 740239922Sgonzostatic int 741239922Sgonzobcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 742239922Sgonzo{ 743239922Sgonzo 744239922Sgonzo return (0); 745239922Sgonzo} 746239922Sgonzo 747239922Sgonzostatic int 748239922Sgonzobcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 749239922Sgonzo{ 750239922Sgonzo 751239922Sgonzo return (0); 752239922Sgonzo} 753239922Sgonzo 754239922Sgonzostatic int 755239922Sgonzobcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 756239922Sgonzo int size, int bpp, int bit_ltor, int byte_ltor) 757239922Sgonzo{ 758239922Sgonzo 759239922Sgonzo return (0); 760239922Sgonzo} 761239922Sgonzo 762239922Sgonzostatic int 763239922Sgonzobcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 764239922Sgonzo{ 765282358Sloos int bytes, col, i, j, k, row; 766282358Sloos struct bcmsc_softc *sc; 767239922Sgonzo u_char *p; 768282358Sloos uint8_t *addr, fg, bg, color; 769243423Sgonzo uint16_t rgb; 770239922Sgonzo 771282358Sloos sc = (struct bcmsc_softc *)adp; 772239922Sgonzo 773239922Sgonzo if (sc->fb_addr == 0) 774239922Sgonzo return (0); 775239922Sgonzo 776239922Sgonzo row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 777239922Sgonzo col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 778239922Sgonzo p = sc->font + c*BCMFB_FONT_HEIGHT; 779239922Sgonzo addr = (uint8_t *)sc->fb_addr 780239922Sgonzo + (row + sc->ymargin)*(sc->stride) 781243666Sgonzo + (sc->depth/8) * (col + sc->xmargin); 782239922Sgonzo 783243423Sgonzo fg = a & 0xf ; 784245071Sgonzo bg = (a >> 4) & 0xf; 785239922Sgonzo 786282358Sloos bytes = sc->depth / 8; 787239922Sgonzo for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 788239922Sgonzo for (j = 0, k = 7; j < 8; j++, k--) { 789239922Sgonzo if ((p[i] & (1 << k)) == 0) 790239922Sgonzo color = bg; 791239922Sgonzo else 792239922Sgonzo color = fg; 793239922Sgonzo 794243423Sgonzo switch (sc->depth) { 795243423Sgonzo case 32: 796243423Sgonzo case 24: 797282358Sloos if (sc->fbswap) { 798282358Sloos addr[bytes * j + 0] = 799282358Sloos bcmfb_palette[color].b; 800282358Sloos addr[bytes * j + 1] = 801282358Sloos bcmfb_palette[color].g; 802282358Sloos addr[bytes * j + 2] = 803282358Sloos bcmfb_palette[color].r; 804282358Sloos } else { 805282358Sloos addr[bytes * j + 0] = 806282358Sloos bcmfb_palette[color].r; 807282358Sloos addr[bytes * j + 1] = 808282358Sloos bcmfb_palette[color].g; 809282358Sloos addr[bytes * j + 2] = 810282358Sloos bcmfb_palette[color].b; 811282358Sloos } 812282358Sloos if (sc->depth == 32) 813282358Sloos addr[bytes * j + 3] = 814282358Sloos bcmfb_palette[color].a; 815243423Sgonzo break; 816243423Sgonzo case 16: 817243687Sgonzo rgb = (bcmfb_palette[color].r >> 3) << 11; 818243687Sgonzo rgb |= (bcmfb_palette[color].g >> 2) << 5; 819243423Sgonzo rgb |= (bcmfb_palette[color].b >> 3); 820282358Sloos addr[bytes * j] = rgb & 0xff; 821282358Sloos addr[bytes * j + 1] = (rgb >> 8) & 0xff; 822243423Sgonzo default: 823243423Sgonzo /* Not supported yet */ 824243423Sgonzo break; 825243423Sgonzo } 826239922Sgonzo } 827239922Sgonzo 828239922Sgonzo addr += (sc->stride); 829239922Sgonzo } 830239922Sgonzo 831239922Sgonzo return (0); 832239922Sgonzo} 833239922Sgonzo 834239922Sgonzostatic int 835239922Sgonzobcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 836239922Sgonzo{ 837239922Sgonzo int i; 838239922Sgonzo 839239922Sgonzo for (i = 0; i < len; i++) 840239922Sgonzo bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 841239922Sgonzo 842239922Sgonzo return (0); 843239922Sgonzo} 844239922Sgonzo 845239922Sgonzostatic int 846239922Sgonzobcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 847239922Sgonzo uint32_t pixel_mask, int size, int width) 848239922Sgonzo{ 849239922Sgonzo 850239922Sgonzo return (0); 851239922Sgonzo} 852