bcm2835_fbd.c (257702) | bcm2835_fbd.c (259517) |
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1/*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_fb.c 257702 2013-11-05 13:48:34Z nwhitehorn $"); | 28__FBSDID("$FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_fbd.c 259517 2013-12-17 15:23:47Z ray $"); |
29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bio.h> 33#include <sys/bus.h> 34#include <sys/conf.h> 35#include <sys/endian.h> 36#include <sys/kernel.h> --- 18 unchanged lines hidden (view full) --- 55#include <machine/resource.h> 56#include <machine/intr.h> 57 58#include <dev/fdt/fdt_common.h> 59#include <dev/ofw/ofw_bus.h> 60#include <dev/ofw/ofw_bus_subr.h> 61 62#include <dev/fb/fbreg.h> | 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bio.h> 33#include <sys/bus.h> 34#include <sys/conf.h> 35#include <sys/endian.h> 36#include <sys/kernel.h> --- 18 unchanged lines hidden (view full) --- 55#include <machine/resource.h> 56#include <machine/intr.h> 57 58#include <dev/fdt/fdt_common.h> 59#include <dev/ofw/ofw_bus.h> 60#include <dev/ofw/ofw_bus_subr.h> 61 62#include <dev/fb/fbreg.h> |
63#include <dev/syscons/syscons.h> | 63#include <dev/vt/vt.h> |
64 65#include <arm/broadcom/bcm2835/bcm2835_mbox.h> 66#include <arm/broadcom/bcm2835/bcm2835_vcbus.h> 67 | 64 65#include <arm/broadcom/bcm2835/bcm2835_mbox.h> 66#include <arm/broadcom/bcm2835/bcm2835_vcbus.h> 67 |
68#include "fb_if.h" |
|
68#include "mbox_if.h" 69 | 69#include "mbox_if.h" 70 |
70#define BCMFB_FONT_HEIGHT 16 71 72struct argb { 73 uint8_t a; 74 uint8_t r; 75 uint8_t g; 76 uint8_t b; 77}; 78 79static struct argb bcmfb_palette[16] = { 80 {0x00, 0x00, 0x00, 0x00}, 81 {0x00, 0x00, 0x00, 0xaa}, 82 {0x00, 0x00, 0xaa, 0x00}, 83 {0x00, 0x00, 0xaa, 0xaa}, 84 {0x00, 0xaa, 0x00, 0x00}, 85 {0x00, 0xaa, 0x00, 0xaa}, 86 {0x00, 0xaa, 0x55, 0x00}, 87 {0x00, 0xaa, 0xaa, 0xaa}, 88 {0x00, 0x55, 0x55, 0x55}, 89 {0x00, 0x55, 0x55, 0xff}, 90 {0x00, 0x55, 0xff, 0x55}, 91 {0x00, 0x55, 0xff, 0xff}, 92 {0x00, 0xff, 0x55, 0x55}, 93 {0x00, 0xff, 0x55, 0xff}, 94 {0x00, 0xff, 0xff, 0x55}, 95 {0x00, 0xff, 0xff, 0xff} 96}; 97 98/* mouse pointer from dev/syscons/scgfbrndr.c */ 99static u_char mouse_pointer[16] = { 100 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68, 101 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00 102}; 103 | |
104#define FB_WIDTH 640 105#define FB_HEIGHT 480 106#define FB_DEPTH 24 107 108struct bcm_fb_config { 109 uint32_t xres; 110 uint32_t yres; 111 uint32_t vxres; --- 4 unchanged lines hidden (view full) --- 116 uint32_t yoffset; 117 /* Filled by videocore */ 118 uint32_t base; 119 uint32_t screen_size; 120}; 121 122struct bcmsc_softc { 123 device_t dev; | 71#define FB_WIDTH 640 72#define FB_HEIGHT 480 73#define FB_DEPTH 24 74 75struct bcm_fb_config { 76 uint32_t xres; 77 uint32_t yres; 78 uint32_t vxres; --- 4 unchanged lines hidden (view full) --- 83 uint32_t yoffset; 84 /* Filled by videocore */ 85 uint32_t base; 86 uint32_t screen_size; 87}; 88 89struct bcmsc_softc { 90 device_t dev; |
124 struct cdev * cdev; 125 struct mtx mtx; | 91 struct fb_info *info; |
126 bus_dma_tag_t dma_tag; 127 bus_dmamap_t dma_map; 128 struct bcm_fb_config* fb_config; 129 bus_addr_t fb_config_phys; 130 struct intr_config_hook init_hook; 131 132}; 133 | 92 bus_dma_tag_t dma_tag; 93 bus_dmamap_t dma_map; 94 struct bcm_fb_config* fb_config; 95 bus_addr_t fb_config_phys; 96 struct intr_config_hook init_hook; 97 98}; 99 |
134struct video_adapter_softc { 135 /* Videoadpater part */ 136 video_adapter_t va; 137 int console; 138 139 intptr_t fb_addr; 140 intptr_t fb_paddr; 141 unsigned int fb_size; 142 143 unsigned int height; 144 unsigned int width; 145 unsigned int depth; 146 unsigned int stride; 147 148 unsigned int xmargin; 149 unsigned int ymargin; 150 151 unsigned char *font; 152 int initialized; 153}; 154 155static struct bcmsc_softc *bcmsc_softc; 156static struct video_adapter_softc va_softc; 157 158#define bcm_fb_lock(_sc) mtx_lock(&(_sc)->mtx) 159#define bcm_fb_unlock(_sc) mtx_unlock(&(_sc)->mtx) 160#define bcm_fb_lock_assert(sc) mtx_assert(&(_sc)->mtx, MA_OWNED) 161 | |
162static int bcm_fb_probe(device_t); 163static int bcm_fb_attach(device_t); 164static void bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err); | 100static int bcm_fb_probe(device_t); 101static int bcm_fb_attach(device_t); 102static void bcm_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err); |
165static void bcmfb_update_margins(video_adapter_t *adp); 166static int bcmfb_configure(int); | |
167 168static void 169bcm_fb_init(void *arg) 170{ 171 struct bcmsc_softc *sc = arg; | 103 104static void 105bcm_fb_init(void *arg) 106{ 107 struct bcmsc_softc *sc = arg; |
172 struct video_adapter_softc *va_sc = &va_softc; 173 int err; | |
174 volatile struct bcm_fb_config* fb_config = sc->fb_config; | 108 volatile struct bcm_fb_config* fb_config = sc->fb_config; |
109 struct fb_info *info; |
|
175 phandle_t node; 176 pcell_t cell; 177 device_t mbox; | 110 phandle_t node; 111 pcell_t cell; 112 device_t mbox; |
113 device_t fbd; 114 int err = 0; |
|
178 179 node = ofw_bus_get_node(sc->dev); 180 181 fb_config->xres = 0; 182 fb_config->yres = 0; 183 fb_config->bpp = 0; | 115 116 node = ofw_bus_get_node(sc->dev); 117 118 fb_config->xres = 0; 119 fb_config->yres = 0; 120 fb_config->bpp = 0; |
121 fb_config->vxres = 0; 122 fb_config->vyres = 0; 123 fb_config->xoffset = 0; 124 fb_config->yoffset = 0; 125 fb_config->base = 0; 126 fb_config->pitch = 0; 127 fb_config->screen_size = 0; |
|
184 185 if ((OF_getprop(node, "broadcom,width", &cell, sizeof(cell))) > 0) 186 fb_config->xres = (int)fdt32_to_cpu(cell); 187 if (fb_config->xres == 0) 188 fb_config->xres = FB_WIDTH; 189 190 if ((OF_getprop(node, "broadcom,height", &cell, sizeof(cell))) > 0) 191 fb_config->yres = (uint32_t)fdt32_to_cpu(cell); 192 if (fb_config->yres == 0) 193 fb_config->yres = FB_HEIGHT; 194 195 if ((OF_getprop(node, "broadcom,depth", &cell, sizeof(cell))) > 0) 196 fb_config->bpp = (uint32_t)fdt32_to_cpu(cell); 197 if (fb_config->bpp == 0) 198 fb_config->bpp = FB_DEPTH; 199 | 128 129 if ((OF_getprop(node, "broadcom,width", &cell, sizeof(cell))) > 0) 130 fb_config->xres = (int)fdt32_to_cpu(cell); 131 if (fb_config->xres == 0) 132 fb_config->xres = FB_WIDTH; 133 134 if ((OF_getprop(node, "broadcom,height", &cell, sizeof(cell))) > 0) 135 fb_config->yres = (uint32_t)fdt32_to_cpu(cell); 136 if (fb_config->yres == 0) 137 fb_config->yres = FB_HEIGHT; 138 139 if ((OF_getprop(node, "broadcom,depth", &cell, sizeof(cell))) > 0) 140 fb_config->bpp = (uint32_t)fdt32_to_cpu(cell); 141 if (fb_config->bpp == 0) 142 fb_config->bpp = FB_DEPTH; 143 |
200 fb_config->vxres = 0; 201 fb_config->vyres = 0; 202 fb_config->xoffset = 0; 203 fb_config->yoffset = 0; 204 fb_config->base = 0; 205 fb_config->pitch = 0; 206 fb_config->screen_size = 0; 207 | |
208 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 209 BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); 210 211 mbox = devclass_get_device(devclass_find("mbox"), 0); 212 if (mbox) { 213 MBOX_WRITE(mbox, BCM2835_MBOX_CHAN_FB, sc->fb_config_phys); 214 MBOX_READ(mbox, BCM2835_MBOX_CHAN_FB, &err); 215 } --- 7 unchanged lines hidden (view full) --- 223 fb_config->xoffset, fb_config->yoffset, 224 fb_config->bpp); 225 226 227 device_printf(sc->dev, "pitch %d, base 0x%08x, screen_size %d\n", 228 fb_config->pitch, fb_config->base, 229 fb_config->screen_size); 230 | 144 bus_dmamap_sync(sc->dma_tag, sc->dma_map, 145 BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); 146 147 mbox = devclass_get_device(devclass_find("mbox"), 0); 148 if (mbox) { 149 MBOX_WRITE(mbox, BCM2835_MBOX_CHAN_FB, sc->fb_config_phys); 150 MBOX_READ(mbox, BCM2835_MBOX_CHAN_FB, &err); 151 } --- 7 unchanged lines hidden (view full) --- 159 fb_config->xoffset, fb_config->yoffset, 160 fb_config->bpp); 161 162 163 device_printf(sc->dev, "pitch %d, base 0x%08x, screen_size %d\n", 164 fb_config->pitch, fb_config->base, 165 fb_config->screen_size); 166 |
231 va_sc->fb_addr = (intptr_t)pmap_mapdev(fb_config->base, fb_config->screen_size); 232 va_sc->fb_paddr = fb_config->base; 233 va_sc->fb_size = fb_config->screen_size; 234 va_sc->depth = fb_config->bpp; 235 va_sc->stride = fb_config->pitch; | |
236 | 167 |
237 va_sc->width = fb_config->xres; 238 va_sc->height = fb_config->yres; 239 bcmfb_update_margins(&va_sc->va); 240 } 241 else { | 168 169 170 info = malloc(sizeof(struct fb_info), M_DEVBUF, M_WAITOK | M_ZERO); 171 info->fb_name = device_get_nameunit(sc->dev); 172 info->fb_vbase = (intptr_t)pmap_mapdev(fb_config->base, fb_config->screen_size); 173 info->fb_pbase = fb_config->base; 174 info->fb_size = fb_config->screen_size; 175 info->fb_bpp = info->fb_depth = fb_config->bpp; 176 info->fb_stride = fb_config->pitch; 177 info->fb_width = fb_config->xres; 178 info->fb_height = fb_config->yres; 179 180 sc->info = info; 181 182 fbd = device_add_child(sc->dev, "fbd", device_get_unit(sc->dev)); 183 if (fbd == NULL) { 184 device_printf(sc->dev, "Failed to add fbd child\n"); 185 return; 186 } 187 if (device_probe_and_attach(fbd) != 0) { 188 device_printf(sc->dev, "Failed to attach fbd device\n"); 189 return; 190 } 191 192 193 } else { |
242 device_printf(sc->dev, "Failed to set framebuffer info\n"); 243 return; 244 } 245 246 config_intrhook_disestablish(&sc->init_hook); 247} 248 249static int 250bcm_fb_probe(device_t dev) 251{ | 194 device_printf(sc->dev, "Failed to set framebuffer info\n"); 195 return; 196 } 197 198 config_intrhook_disestablish(&sc->init_hook); 199} 200 201static int 202bcm_fb_probe(device_t dev) 203{ |
252 int error = 0; 253 | |
254 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 255 return (ENXIO); 256 | 204 if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-fb")) 205 return (ENXIO); 206 |
257 device_set_desc(dev, "BCM2835 framebuffer device"); | 207 device_set_desc(dev, "BCM2835 VT framebuffer driver"); |
258 | 208 |
259 error = sc_probe_unit(device_get_unit(dev), 260 device_get_flags(dev) | SC_AUTODETECT_KBD); 261 if (error != 0) 262 return (error); 263 264 | |
265 return (BUS_PROBE_DEFAULT); 266} 267 268static int 269bcm_fb_attach(device_t dev) 270{ 271 struct bcmsc_softc *sc = device_get_softc(dev); 272 int dma_size = sizeof(struct bcm_fb_config); 273 int err; 274 | 209 return (BUS_PROBE_DEFAULT); 210} 211 212static int 213bcm_fb_attach(device_t dev) 214{ 215 struct bcmsc_softc *sc = device_get_softc(dev); 216 int dma_size = sizeof(struct bcm_fb_config); 217 int err; 218 |
275 if (bcmsc_softc) 276 return (ENXIO); 277 278 bcmsc_softc = sc; 279 | |
280 sc->dev = dev; | 219 sc->dev = dev; |
281 mtx_init(&sc->mtx, "bcm2835fb", "fb", MTX_DEF); | |
282 283 err = bus_dma_tag_create( 284 bus_get_dma_tag(sc->dev), 285 PAGE_SIZE, 0, /* alignment, boundary */ 286 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 287 BUS_SPACE_MAXADDR, /* highaddr */ 288 NULL, NULL, /* filter, filterarg */ 289 dma_size, 1, /* maxsize, nsegments */ 290 dma_size, 0, /* maxsegsize, flags */ 291 NULL, NULL, /* lockfunc, lockarg */ 292 &sc->dma_tag); 293 | 220 221 err = bus_dma_tag_create( 222 bus_get_dma_tag(sc->dev), 223 PAGE_SIZE, 0, /* alignment, boundary */ 224 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 225 BUS_SPACE_MAXADDR, /* highaddr */ 226 NULL, NULL, /* filter, filterarg */ 227 dma_size, 1, /* maxsize, nsegments */ 228 dma_size, 0, /* maxsegsize, flags */ 229 NULL, NULL, /* lockfunc, lockarg */ 230 &sc->dma_tag); 231 |
294 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_config, 295 0, &sc->dma_map); | 232 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_config, 0, 233 &sc->dma_map); |
296 if (err) { 297 device_printf(dev, "cannot allocate framebuffer\n"); 298 goto fail; 299 } 300 301 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_config, 302 dma_size, bcm_fb_dmamap_cb, &sc->fb_config_phys, BUS_DMA_NOWAIT); 303 304 if (err) { 305 device_printf(dev, "cannot load DMA map\n"); 306 goto fail; 307 } 308 | 234 if (err) { 235 device_printf(dev, "cannot allocate framebuffer\n"); 236 goto fail; 237 } 238 239 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_config, 240 dma_size, bcm_fb_dmamap_cb, &sc->fb_config_phys, BUS_DMA_NOWAIT); 241 242 if (err) { 243 device_printf(dev, "cannot load DMA map\n"); 244 goto fail; 245 } 246 |
309 err = (sc_attach_unit(device_get_unit(dev), 310 device_get_flags(dev) | SC_AUTODETECT_KBD)); 311 312 if (err) { 313 device_printf(dev, "failed to attach syscons\n"); 314 goto fail; 315 } 316 | |
317 /* 318 * We have to wait until interrupts are enabled. 319 * Mailbox relies on it to get data from VideoCore 320 */ 321 sc->init_hook.ich_func = bcm_fb_init; 322 sc->init_hook.ich_arg = sc; 323 324 if (config_intrhook_establish(&sc->init_hook) != 0) { --- 15 unchanged lines hidden (view full) --- 340 341 if (err) 342 return; 343 344 addr = (bus_addr_t*)arg; 345 *addr = PHYS_TO_VCBUS(segs[0].ds_addr); 346} 347 | 247 /* 248 * We have to wait until interrupts are enabled. 249 * Mailbox relies on it to get data from VideoCore 250 */ 251 sc->init_hook.ich_func = bcm_fb_init; 252 sc->init_hook.ich_arg = sc; 253 254 if (config_intrhook_establish(&sc->init_hook) != 0) { --- 15 unchanged lines hidden (view full) --- 270 271 if (err) 272 return; 273 274 addr = (bus_addr_t*)arg; 275 *addr = PHYS_TO_VCBUS(segs[0].ds_addr); 276} 277 |
278static struct fb_info * 279bcm_fb_helper_getinfo(device_t dev) 280{ 281 struct bcmsc_softc *sc; 282 283 sc = device_get_softc(dev); 284 285 return (sc->info); 286} 287 |
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348static device_method_t bcm_fb_methods[] = { 349 /* Device interface */ 350 DEVMETHOD(device_probe, bcm_fb_probe), 351 DEVMETHOD(device_attach, bcm_fb_attach), 352 | 288static device_method_t bcm_fb_methods[] = { 289 /* Device interface */ 290 DEVMETHOD(device_probe, bcm_fb_probe), 291 DEVMETHOD(device_attach, bcm_fb_attach), 292 |
353 { 0, 0 } | 293 /* Framebuffer service methods */ 294 DEVMETHOD(fb_getinfo, bcm_fb_helper_getinfo), 295 296 DEVMETHOD_END |
354}; 355 356static devclass_t bcm_fb_devclass; 357 358static driver_t bcm_fb_driver = { 359 "fb", 360 bcm_fb_methods, 361 sizeof(struct bcmsc_softc), 362}; 363 364DRIVER_MODULE(bcm2835fb, nexus, bcm_fb_driver, bcm_fb_devclass, 0, 0); | 297}; 298 299static devclass_t bcm_fb_devclass; 300 301static driver_t bcm_fb_driver = { 302 "fb", 303 bcm_fb_methods, 304 sizeof(struct bcmsc_softc), 305}; 306 307DRIVER_MODULE(bcm2835fb, nexus, bcm_fb_driver, bcm_fb_devclass, 0, 0); |
365 366/* 367 * Video driver routines and glue. 368 */ 369static vi_probe_t bcmfb_probe; 370static vi_init_t bcmfb_init; 371static vi_get_info_t bcmfb_get_info; 372static vi_query_mode_t bcmfb_query_mode; 373static vi_set_mode_t bcmfb_set_mode; 374static vi_save_font_t bcmfb_save_font; 375static vi_load_font_t bcmfb_load_font; 376static vi_show_font_t bcmfb_show_font; 377static vi_save_palette_t bcmfb_save_palette; 378static vi_load_palette_t bcmfb_load_palette; 379static vi_set_border_t bcmfb_set_border; 380static vi_save_state_t bcmfb_save_state; 381static vi_load_state_t bcmfb_load_state; 382static vi_set_win_org_t bcmfb_set_win_org; 383static vi_read_hw_cursor_t bcmfb_read_hw_cursor; 384static vi_set_hw_cursor_t bcmfb_set_hw_cursor; 385static vi_set_hw_cursor_shape_t bcmfb_set_hw_cursor_shape; 386static vi_blank_display_t bcmfb_blank_display; 387static vi_mmap_t bcmfb_mmap; 388static vi_ioctl_t bcmfb_ioctl; 389static vi_clear_t bcmfb_clear; 390static vi_fill_rect_t bcmfb_fill_rect; 391static vi_bitblt_t bcmfb_bitblt; 392static vi_diag_t bcmfb_diag; 393static vi_save_cursor_palette_t bcmfb_save_cursor_palette; 394static vi_load_cursor_palette_t bcmfb_load_cursor_palette; 395static vi_copy_t bcmfb_copy; 396static vi_putp_t bcmfb_putp; 397static vi_putc_t bcmfb_putc; 398static vi_puts_t bcmfb_puts; 399static vi_putm_t bcmfb_putm; 400 401static video_switch_t bcmfbvidsw = { 402 .probe = bcmfb_probe, 403 .init = bcmfb_init, 404 .get_info = bcmfb_get_info, 405 .query_mode = bcmfb_query_mode, 406 .set_mode = bcmfb_set_mode, 407 .save_font = bcmfb_save_font, 408 .load_font = bcmfb_load_font, 409 .show_font = bcmfb_show_font, 410 .save_palette = bcmfb_save_palette, 411 .load_palette = bcmfb_load_palette, 412 .set_border = bcmfb_set_border, 413 .save_state = bcmfb_save_state, 414 .load_state = bcmfb_load_state, 415 .set_win_org = bcmfb_set_win_org, 416 .read_hw_cursor = bcmfb_read_hw_cursor, 417 .set_hw_cursor = bcmfb_set_hw_cursor, 418 .set_hw_cursor_shape = bcmfb_set_hw_cursor_shape, 419 .blank_display = bcmfb_blank_display, 420 .mmap = bcmfb_mmap, 421 .ioctl = bcmfb_ioctl, 422 .clear = bcmfb_clear, 423 .fill_rect = bcmfb_fill_rect, 424 .bitblt = bcmfb_bitblt, 425 .diag = bcmfb_diag, 426 .save_cursor_palette = bcmfb_save_cursor_palette, 427 .load_cursor_palette = bcmfb_load_cursor_palette, 428 .copy = bcmfb_copy, 429 .putp = bcmfb_putp, 430 .putc = bcmfb_putc, 431 .puts = bcmfb_puts, 432 .putm = bcmfb_putm, 433}; 434 435VIDEO_DRIVER(bcmfb, bcmfbvidsw, bcmfb_configure); 436 437static vr_init_t bcmrend_init; 438static vr_clear_t bcmrend_clear; 439static vr_draw_border_t bcmrend_draw_border; 440static vr_draw_t bcmrend_draw; 441static vr_set_cursor_t bcmrend_set_cursor; 442static vr_draw_cursor_t bcmrend_draw_cursor; 443static vr_blink_cursor_t bcmrend_blink_cursor; 444static vr_set_mouse_t bcmrend_set_mouse; 445static vr_draw_mouse_t bcmrend_draw_mouse; 446 447/* 448 * We use our own renderer; this is because we must emulate a hardware 449 * cursor. 450 */ 451static sc_rndr_sw_t bcmrend = { 452 bcmrend_init, 453 bcmrend_clear, 454 bcmrend_draw_border, 455 bcmrend_draw, 456 bcmrend_set_cursor, 457 bcmrend_draw_cursor, 458 bcmrend_blink_cursor, 459 bcmrend_set_mouse, 460 bcmrend_draw_mouse 461}; 462 463RENDERER(bcmfb, 0, bcmrend, gfb_set); 464RENDERER_MODULE(bcmfb, gfb_set); 465 466static void 467bcmrend_init(scr_stat* scp) 468{ 469} 470 471static void 472bcmrend_clear(scr_stat* scp, int c, int attr) 473{ 474} 475 476static void 477bcmrend_draw_border(scr_stat* scp, int color) 478{ 479} 480 481static void 482bcmrend_draw(scr_stat* scp, int from, int count, int flip) 483{ 484 video_adapter_t* adp = scp->sc->adp; 485 int i, c, a; 486 487 if (!flip) { 488 /* Normal printing */ 489 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count); 490 } else { 491 /* This is for selections and such: invert the color attribute */ 492 for (i = count; i-- > 0; ++from) { 493 c = sc_vtb_getc(&scp->vtb, from); 494 a = sc_vtb_geta(&scp->vtb, from) >> 8; 495 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4)); 496 } 497 } 498} 499 500static void 501bcmrend_set_cursor(scr_stat* scp, int base, int height, int blink) 502{ 503} 504 505static void 506bcmrend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip) 507{ 508 video_adapter_t* adp = scp->sc->adp; 509 struct video_adapter_softc *sc; 510 int row, col; 511 uint8_t *addr; 512 int i, j, bytes; 513 514 sc = (struct video_adapter_softc *)adp; 515 516 if (scp->curs_attr.height <= 0) 517 return; 518 519 if (sc->fb_addr == 0) 520 return; 521 522 if (off >= adp->va_info.vi_width * adp->va_info.vi_height) 523 return; 524 525 /* calculate the coordinates in the video buffer */ 526 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 527 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 528 529 addr = (uint8_t *)sc->fb_addr 530 + (row + sc->ymargin)*(sc->stride) 531 + (sc->depth/8) * (col + sc->xmargin); 532 533 bytes = sc->depth/8; 534 535 /* our cursor consists of simply inverting the char under it */ 536 for (i = 0; i < adp->va_info.vi_cheight; i++) { 537 for (j = 0; j < adp->va_info.vi_cwidth; j++) { 538 switch (sc->depth) { 539 case 32: 540 case 24: 541 addr[bytes*j + 2] ^= 0xff; 542 /* FALLTHROUGH */ 543 case 16: 544 addr[bytes*j + 1] ^= 0xff; 545 addr[bytes*j] ^= 0xff; 546 break; 547 default: 548 break; 549 } 550 } 551 552 addr += sc->stride; 553 } 554} 555 556static void 557bcmrend_blink_cursor(scr_stat* scp, int at, int flip) 558{ 559} 560 561static void 562bcmrend_set_mouse(scr_stat* scp) 563{ 564} 565 566static void 567bcmrend_draw_mouse(scr_stat* scp, int x, int y, int on) 568{ 569 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8); 570} 571 572static uint16_t bcmfb_static_window[ROW*COL]; 573extern u_char dflt_font_16[]; 574 575/* 576 * Update videoadapter settings after changing resolution 577 */ 578static void 579bcmfb_update_margins(video_adapter_t *adp) 580{ 581 struct video_adapter_softc *sc; 582 video_info_t *vi; 583 584 sc = (struct video_adapter_softc *)adp; 585 vi = &adp->va_info; 586 587 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 588 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 589} 590 591static int 592bcmfb_configure(int flags) 593{ 594 struct video_adapter_softc *va_sc; 595 596 va_sc = &va_softc; 597 phandle_t display, root; 598 pcell_t cell; 599 600 if (va_sc->initialized) 601 return (0); 602 603 va_sc->width = 0; 604 va_sc->height = 0; 605 606 /* 607 * It seems there is no way to let syscons framework know 608 * that framebuffer resolution has changed. So just try 609 * to fetch data from FDT and go with defaults if failed 610 */ 611 root = OF_finddevice("/"); 612 if ((root != 0) && 613 (display = fdt_find_compatible(root, "broadcom,bcm2835-fb", 1))) { 614 if ((OF_getprop(display, "broadcom,width", 615 &cell, sizeof(cell))) > 0) 616 va_sc->width = (int)fdt32_to_cpu(cell); 617 618 if ((OF_getprop(display, "broadcom,height", 619 &cell, sizeof(cell))) > 0) 620 va_sc->height = (int)fdt32_to_cpu(cell); 621 } 622 623 if (va_sc->width == 0) 624 va_sc->width = FB_WIDTH; 625 if (va_sc->height == 0) 626 va_sc->height = FB_HEIGHT; 627 628 bcmfb_init(0, &va_sc->va, 0); 629 630 va_sc->initialized = 1; 631 632 return (0); 633} 634 635static int 636bcmfb_probe(int unit, video_adapter_t **adp, void *arg, int flags) 637{ 638 639 return (0); 640} 641 642static int 643bcmfb_init(int unit, video_adapter_t *adp, int flags) 644{ 645 struct video_adapter_softc *sc; 646 video_info_t *vi; 647 648 sc = (struct video_adapter_softc *)adp; 649 vi = &adp->va_info; 650 651 vid_init_struct(adp, "bcmfb", -1, unit); 652 653 sc->font = dflt_font_16; 654 vi->vi_cheight = BCMFB_FONT_HEIGHT; 655 vi->vi_cwidth = 8; 656 657 vi->vi_width = sc->width/8; 658 vi->vi_height = sc->height/vi->vi_cheight; 659 660 /* 661 * Clamp width/height to syscons maximums 662 */ 663 if (vi->vi_width > COL) 664 vi->vi_width = COL; 665 if (vi->vi_height > ROW) 666 vi->vi_height = ROW; 667 668 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2; 669 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2; 670 671 672 adp->va_window = (vm_offset_t) bcmfb_static_window; 673 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */; 674 675 vid_register(&sc->va); 676 677 return (0); 678} 679 680static int 681bcmfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 682{ 683 bcopy(&adp->va_info, info, sizeof(*info)); 684 return (0); 685} 686 687static int 688bcmfb_query_mode(video_adapter_t *adp, video_info_t *info) 689{ 690 return (0); 691} 692 693static int 694bcmfb_set_mode(video_adapter_t *adp, int mode) 695{ 696 return (0); 697} 698 699static int 700bcmfb_save_font(video_adapter_t *adp, int page, int size, int width, 701 u_char *data, int c, int count) 702{ 703 return (0); 704} 705 706static int 707bcmfb_load_font(video_adapter_t *adp, int page, int size, int width, 708 u_char *data, int c, int count) 709{ 710 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp; 711 712 sc->font = data; 713 714 return (0); 715} 716 717static int 718bcmfb_show_font(video_adapter_t *adp, int page) 719{ 720 return (0); 721} 722 723static int 724bcmfb_save_palette(video_adapter_t *adp, u_char *palette) 725{ 726 return (0); 727} 728 729static int 730bcmfb_load_palette(video_adapter_t *adp, u_char *palette) 731{ 732 return (0); 733} 734 735static int 736bcmfb_set_border(video_adapter_t *adp, int border) 737{ 738 return (bcmfb_blank_display(adp, border)); 739} 740 741static int 742bcmfb_save_state(video_adapter_t *adp, void *p, size_t size) 743{ 744 return (0); 745} 746 747static int 748bcmfb_load_state(video_adapter_t *adp, void *p) 749{ 750 return (0); 751} 752 753static int 754bcmfb_set_win_org(video_adapter_t *adp, off_t offset) 755{ 756 return (0); 757} 758 759static int 760bcmfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 761{ 762 *col = *row = 0; 763 764 return (0); 765} 766 767static int 768bcmfb_set_hw_cursor(video_adapter_t *adp, int col, int row) 769{ 770 return (0); 771} 772 773static int 774bcmfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 775 int celsize, int blink) 776{ 777 return (0); 778} 779 780static int 781bcmfb_blank_display(video_adapter_t *adp, int mode) 782{ 783 784 struct video_adapter_softc *sc; 785 786 sc = (struct video_adapter_softc *)adp; 787 if (sc && sc->fb_addr) 788 memset((void*)sc->fb_addr, 0, sc->fb_size); 789 790 return (0); 791} 792 793static int 794bcmfb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr, 795 int prot, vm_memattr_t *memattr) 796{ 797 struct video_adapter_softc *sc; 798 799 sc = (struct video_adapter_softc *)adp; 800 801 /* 802 * This might be a legacy VGA mem request: if so, just point it at the 803 * framebuffer, since it shouldn't be touched 804 */ 805 if (offset < sc->stride*sc->height) { 806 *paddr = sc->fb_paddr + offset; 807 return (0); 808 } 809 810 return (EINVAL); 811} 812 813static int 814bcmfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data) 815{ 816 struct video_adapter_softc *sc; 817 struct fbtype *fb; 818 819 sc = (struct video_adapter_softc *)adp; 820 821 switch (cmd) { 822 case FBIOGTYPE: 823 fb = (struct fbtype *)data; 824 fb->fb_type = FBTYPE_PCIMISC; 825 fb->fb_height = sc->height; 826 fb->fb_width = sc->width; 827 fb->fb_depth = sc->depth; 828 if (sc->depth <= 1 || sc->depth > 8) 829 fb->fb_cmsize = 0; 830 else 831 fb->fb_cmsize = 1 << sc->depth; 832 fb->fb_size = sc->fb_size; 833 break; 834 default: 835 return (fb_commonioctl(adp, cmd, data)); 836 } 837 838 return (0); 839} 840 841static int 842bcmfb_clear(video_adapter_t *adp) 843{ 844 845 return (bcmfb_blank_display(adp, 0)); 846} 847 848static int 849bcmfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 850{ 851 852 return (0); 853} 854 855static int 856bcmfb_bitblt(video_adapter_t *adp, ...) 857{ 858 859 return (0); 860} 861 862static int 863bcmfb_diag(video_adapter_t *adp, int level) 864{ 865 866 return (0); 867} 868 869static int 870bcmfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 871{ 872 873 return (0); 874} 875 876static int 877bcmfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 878{ 879 880 return (0); 881} 882 883static int 884bcmfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 885{ 886 887 return (0); 888} 889 890static int 891bcmfb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a, 892 int size, int bpp, int bit_ltor, int byte_ltor) 893{ 894 895 return (0); 896} 897 898static int 899bcmfb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a) 900{ 901 struct video_adapter_softc *sc; 902 int row; 903 int col; 904 int i, j, k; 905 uint8_t *addr; 906 u_char *p; 907 uint8_t fg, bg, color; 908 uint16_t rgb; 909 910 sc = (struct video_adapter_softc *)adp; 911 912 if (sc->fb_addr == 0) 913 return (0); 914 915 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight; 916 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth; 917 p = sc->font + c*BCMFB_FONT_HEIGHT; 918 addr = (uint8_t *)sc->fb_addr 919 + (row + sc->ymargin)*(sc->stride) 920 + (sc->depth/8) * (col + sc->xmargin); 921 922 fg = a & 0xf ; 923 bg = (a >> 4) & 0xf; 924 925 for (i = 0; i < BCMFB_FONT_HEIGHT; i++) { 926 for (j = 0, k = 7; j < 8; j++, k--) { 927 if ((p[i] & (1 << k)) == 0) 928 color = bg; 929 else 930 color = fg; 931 932 switch (sc->depth) { 933 case 32: 934 addr[4*j+0] = bcmfb_palette[color].r; 935 addr[4*j+1] = bcmfb_palette[color].g; 936 addr[4*j+2] = bcmfb_palette[color].b; 937 addr[4*j+3] = bcmfb_palette[color].a; 938 break; 939 case 24: 940 addr[3*j] = bcmfb_palette[color].r; 941 addr[3*j+1] = bcmfb_palette[color].g; 942 addr[3*j+2] = bcmfb_palette[color].b; 943 break; 944 case 16: 945 rgb = (bcmfb_palette[color].r >> 3) << 11; 946 rgb |= (bcmfb_palette[color].g >> 2) << 5; 947 rgb |= (bcmfb_palette[color].b >> 3); 948 addr[2*j] = rgb & 0xff; 949 addr[2*j + 1] = (rgb >> 8) & 0xff; 950 default: 951 /* Not supported yet */ 952 break; 953 } 954 } 955 956 addr += (sc->stride); 957 } 958 959 return (0); 960} 961 962static int 963bcmfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 964{ 965 int i; 966 967 for (i = 0; i < len; i++) 968 bcmfb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8); 969 970 return (0); 971} 972 973static int 974bcmfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image, 975 uint32_t pixel_mask, int size, int width) 976{ 977 978 return (0); 979} 980 981/* 982 * Define a stub keyboard driver in case one hasn't been 983 * compiled into the kernel 984 */ 985#include <sys/kbio.h> 986#include <dev/kbd/kbdreg.h> 987 988static int dummy_kbd_configure(int flags); 989 990keyboard_switch_t bcmdummysw; 991 992static int 993dummy_kbd_configure(int flags) 994{ 995 996 return (0); 997} 998KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure); | |