1ca987d46SWarner Losh /*- 2ca987d46SWarner Losh * Copyright (c) 2013 The FreeBSD Foundation 3ca987d46SWarner Losh * All rights reserved. 4ca987d46SWarner Losh * 5ca987d46SWarner Losh * This software was developed by Benno Rice under sponsorship from 6ca987d46SWarner Losh * the FreeBSD Foundation. 7ca987d46SWarner Losh * Redistribution and use in source and binary forms, with or without 8ca987d46SWarner Losh * modification, are permitted provided that the following conditions 9ca987d46SWarner Losh * are met: 10ca987d46SWarner Losh * 1. Redistributions of source code must retain the above copyright 11ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer. 12ca987d46SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright 13ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer in the 14ca987d46SWarner Losh * documentation and/or other materials provided with the distribution. 15ca987d46SWarner Losh * 16ca987d46SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17ca987d46SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18ca987d46SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19ca987d46SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20ca987d46SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21ca987d46SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22ca987d46SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23ca987d46SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24ca987d46SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25ca987d46SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26ca987d46SWarner Losh * SUCH DAMAGE. 27ca987d46SWarner Losh */ 28ca987d46SWarner Losh 29ca987d46SWarner Losh #include <sys/cdefs.h> 30ca987d46SWarner Losh __FBSDID("$FreeBSD$"); 31ca987d46SWarner Losh 32ca987d46SWarner Losh #include <bootstrap.h> 33ca987d46SWarner Losh #include <sys/endian.h> 3405e8899dSKyle Evans #include <sys/param.h> 35ca987d46SWarner Losh #include <stand.h> 36ca987d46SWarner Losh 37ca987d46SWarner Losh #include <efi.h> 38ca987d46SWarner Losh #include <efilib.h> 39ca987d46SWarner Losh #include <efiuga.h> 40ca987d46SWarner Losh #include <efipciio.h> 41becaac39SToomas Soome #include <Protocol/EdidActive.h> 42becaac39SToomas Soome #include <Protocol/EdidDiscovered.h> 43ca987d46SWarner Losh #include <machine/metadata.h> 44ca987d46SWarner Losh 453630506bSToomas Soome #include "bootstrap.h" 46ca987d46SWarner Losh #include "framebuffer.h" 47ca987d46SWarner Losh 4852ec89a9SToomas Soome static EFI_GUID conout_guid = EFI_CONSOLE_OUT_DEVICE_GUID; 493630506bSToomas Soome EFI_GUID gop_guid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID; 50ca987d46SWarner Losh static EFI_GUID pciio_guid = EFI_PCI_IO_PROTOCOL_GUID; 51ca987d46SWarner Losh static EFI_GUID uga_guid = EFI_UGA_DRAW_PROTOCOL_GUID; 52becaac39SToomas Soome static EFI_GUID active_edid_guid = EFI_EDID_ACTIVE_PROTOCOL_GUID; 53becaac39SToomas Soome static EFI_GUID discovered_edid_guid = EFI_EDID_DISCOVERED_PROTOCOL_GUID; 54becaac39SToomas Soome static EFI_HANDLE gop_handle; 55becaac39SToomas Soome 56becaac39SToomas Soome /* Cached EDID. */ 57becaac39SToomas Soome struct vesa_edid_info *edid_info = NULL; 58ca987d46SWarner Losh 5952ec89a9SToomas Soome static EFI_GRAPHICS_OUTPUT *gop; 6052ec89a9SToomas Soome static EFI_UGA_DRAW_PROTOCOL *uga; 6152ec89a9SToomas Soome 6205e8899dSKyle Evans static struct named_resolution { 6305e8899dSKyle Evans const char *name; 6405e8899dSKyle Evans const char *alias; 6505e8899dSKyle Evans unsigned int width; 6605e8899dSKyle Evans unsigned int height; 6705e8899dSKyle Evans } resolutions[] = { 6805e8899dSKyle Evans { 6905e8899dSKyle Evans .name = "480p", 7005e8899dSKyle Evans .width = 640, 7105e8899dSKyle Evans .height = 480, 7205e8899dSKyle Evans }, 7305e8899dSKyle Evans { 7405e8899dSKyle Evans .name = "720p", 7505e8899dSKyle Evans .width = 1280, 7605e8899dSKyle Evans .height = 720, 7705e8899dSKyle Evans }, 7805e8899dSKyle Evans { 7905e8899dSKyle Evans .name = "1080p", 8005e8899dSKyle Evans .width = 1920, 8105e8899dSKyle Evans .height = 1080, 8205e8899dSKyle Evans }, 8305e8899dSKyle Evans { 8405e8899dSKyle Evans .name = "2160p", 8505e8899dSKyle Evans .alias = "4k", 8605e8899dSKyle Evans .width = 3840, 8705e8899dSKyle Evans .height = 2160, 8805e8899dSKyle Evans }, 8905e8899dSKyle Evans { 9005e8899dSKyle Evans .name = "5k", 9105e8899dSKyle Evans .width = 5120, 9205e8899dSKyle Evans .height = 2880, 9305e8899dSKyle Evans } 9405e8899dSKyle Evans }; 9505e8899dSKyle Evans 96ca987d46SWarner Losh static u_int 97ca987d46SWarner Losh efifb_color_depth(struct efi_fb *efifb) 98ca987d46SWarner Losh { 99ca987d46SWarner Losh uint32_t mask; 100ca987d46SWarner Losh u_int depth; 101ca987d46SWarner Losh 102ca987d46SWarner Losh mask = efifb->fb_mask_red | efifb->fb_mask_green | 103ca987d46SWarner Losh efifb->fb_mask_blue | efifb->fb_mask_reserved; 104ca987d46SWarner Losh if (mask == 0) 105ca987d46SWarner Losh return (0); 106ca987d46SWarner Losh for (depth = 1; mask != 1; depth++) 107ca987d46SWarner Losh mask >>= 1; 108ca987d46SWarner Losh return (depth); 109ca987d46SWarner Losh } 110ca987d46SWarner Losh 111ca987d46SWarner Losh static int 112ca987d46SWarner Losh efifb_mask_from_pixfmt(struct efi_fb *efifb, EFI_GRAPHICS_PIXEL_FORMAT pixfmt, 113ca987d46SWarner Losh EFI_PIXEL_BITMASK *pixinfo) 114ca987d46SWarner Losh { 115ca987d46SWarner Losh int result; 116ca987d46SWarner Losh 117ca987d46SWarner Losh result = 0; 118ca987d46SWarner Losh switch (pixfmt) { 119ca987d46SWarner Losh case PixelRedGreenBlueReserved8BitPerColor: 1201a816c75SToomas Soome case PixelBltOnly: 121ca987d46SWarner Losh efifb->fb_mask_red = 0x000000ff; 122ca987d46SWarner Losh efifb->fb_mask_green = 0x0000ff00; 123ca987d46SWarner Losh efifb->fb_mask_blue = 0x00ff0000; 124ca987d46SWarner Losh efifb->fb_mask_reserved = 0xff000000; 125ca987d46SWarner Losh break; 126ca987d46SWarner Losh case PixelBlueGreenRedReserved8BitPerColor: 127ca987d46SWarner Losh efifb->fb_mask_red = 0x00ff0000; 128ca987d46SWarner Losh efifb->fb_mask_green = 0x0000ff00; 129ca987d46SWarner Losh efifb->fb_mask_blue = 0x000000ff; 130ca987d46SWarner Losh efifb->fb_mask_reserved = 0xff000000; 131ca987d46SWarner Losh break; 132ca987d46SWarner Losh case PixelBitMask: 133ca987d46SWarner Losh efifb->fb_mask_red = pixinfo->RedMask; 134ca987d46SWarner Losh efifb->fb_mask_green = pixinfo->GreenMask; 135ca987d46SWarner Losh efifb->fb_mask_blue = pixinfo->BlueMask; 136ca987d46SWarner Losh efifb->fb_mask_reserved = pixinfo->ReservedMask; 137ca987d46SWarner Losh break; 138ca987d46SWarner Losh default: 139ca987d46SWarner Losh result = 1; 140ca987d46SWarner Losh break; 141ca987d46SWarner Losh } 142ca987d46SWarner Losh return (result); 143ca987d46SWarner Losh } 144ca987d46SWarner Losh 145ca987d46SWarner Losh static int 146ca987d46SWarner Losh efifb_from_gop(struct efi_fb *efifb, EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *mode, 147ca987d46SWarner Losh EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info) 148ca987d46SWarner Losh { 149ca987d46SWarner Losh int result; 150ca987d46SWarner Losh 151ca987d46SWarner Losh efifb->fb_addr = mode->FrameBufferBase; 152ca987d46SWarner Losh efifb->fb_size = mode->FrameBufferSize; 153ca987d46SWarner Losh efifb->fb_height = info->VerticalResolution; 154ca987d46SWarner Losh efifb->fb_width = info->HorizontalResolution; 155ca987d46SWarner Losh efifb->fb_stride = info->PixelsPerScanLine; 156ca987d46SWarner Losh result = efifb_mask_from_pixfmt(efifb, info->PixelFormat, 157ca987d46SWarner Losh &info->PixelInformation); 158ca987d46SWarner Losh return (result); 159ca987d46SWarner Losh } 160ca987d46SWarner Losh 161ca987d46SWarner Losh static ssize_t 162ca987d46SWarner Losh efifb_uga_find_pixel(EFI_UGA_DRAW_PROTOCOL *uga, u_int line, 163ca987d46SWarner Losh EFI_PCI_IO_PROTOCOL *pciio, uint64_t addr, uint64_t size) 164ca987d46SWarner Losh { 165ca987d46SWarner Losh EFI_UGA_PIXEL pix0, pix1; 166ca987d46SWarner Losh uint8_t *data1, *data2; 167ca987d46SWarner Losh size_t count, maxcount = 1024; 168ca987d46SWarner Losh ssize_t ofs; 169ca987d46SWarner Losh EFI_STATUS status; 170ca987d46SWarner Losh u_int idx; 171ca987d46SWarner Losh 172ca987d46SWarner Losh status = uga->Blt(uga, &pix0, EfiUgaVideoToBltBuffer, 173ca987d46SWarner Losh 0, line, 0, 0, 1, 1, 0); 174ca987d46SWarner Losh if (EFI_ERROR(status)) { 175ca987d46SWarner Losh printf("UGA BLT operation failed (video->buffer)"); 176ca987d46SWarner Losh return (-1); 177ca987d46SWarner Losh } 178ca987d46SWarner Losh pix1.Red = ~pix0.Red; 179ca987d46SWarner Losh pix1.Green = ~pix0.Green; 180ca987d46SWarner Losh pix1.Blue = ~pix0.Blue; 181ca987d46SWarner Losh pix1.Reserved = 0; 182ca987d46SWarner Losh 183ca987d46SWarner Losh data1 = calloc(maxcount, 2); 184ca987d46SWarner Losh if (data1 == NULL) { 185ca987d46SWarner Losh printf("Unable to allocate memory"); 186ca987d46SWarner Losh return (-1); 187ca987d46SWarner Losh } 188ca987d46SWarner Losh data2 = data1 + maxcount; 189ca987d46SWarner Losh 190ca987d46SWarner Losh ofs = 0; 191ca987d46SWarner Losh while (size > 0) { 192ca987d46SWarner Losh count = min(size, maxcount); 193ca987d46SWarner Losh 194ca987d46SWarner Losh status = pciio->Mem.Read(pciio, EfiPciIoWidthUint32, 195ca987d46SWarner Losh EFI_PCI_IO_PASS_THROUGH_BAR, addr + ofs, count >> 2, 196ca987d46SWarner Losh data1); 197ca987d46SWarner Losh if (EFI_ERROR(status)) { 198ca987d46SWarner Losh printf("Error reading frame buffer (before)"); 199ca987d46SWarner Losh goto fail; 200ca987d46SWarner Losh } 201ca987d46SWarner Losh status = uga->Blt(uga, &pix1, EfiUgaBltBufferToVideo, 202ca987d46SWarner Losh 0, 0, 0, line, 1, 1, 0); 203ca987d46SWarner Losh if (EFI_ERROR(status)) { 204ca987d46SWarner Losh printf("UGA BLT operation failed (modify)"); 205ca987d46SWarner Losh goto fail; 206ca987d46SWarner Losh } 207ca987d46SWarner Losh status = pciio->Mem.Read(pciio, EfiPciIoWidthUint32, 208ca987d46SWarner Losh EFI_PCI_IO_PASS_THROUGH_BAR, addr + ofs, count >> 2, 209ca987d46SWarner Losh data2); 210ca987d46SWarner Losh if (EFI_ERROR(status)) { 211ca987d46SWarner Losh printf("Error reading frame buffer (after)"); 212ca987d46SWarner Losh goto fail; 213ca987d46SWarner Losh } 214ca987d46SWarner Losh status = uga->Blt(uga, &pix0, EfiUgaBltBufferToVideo, 215ca987d46SWarner Losh 0, 0, 0, line, 1, 1, 0); 216ca987d46SWarner Losh if (EFI_ERROR(status)) { 217ca987d46SWarner Losh printf("UGA BLT operation failed (restore)"); 218ca987d46SWarner Losh goto fail; 219ca987d46SWarner Losh } 220ca987d46SWarner Losh for (idx = 0; idx < count; idx++) { 221ca987d46SWarner Losh if (data1[idx] != data2[idx]) { 222ca987d46SWarner Losh free(data1); 223ca987d46SWarner Losh return (ofs + (idx & ~3)); 224ca987d46SWarner Losh } 225ca987d46SWarner Losh } 226ca987d46SWarner Losh ofs += count; 227ca987d46SWarner Losh size -= count; 228ca987d46SWarner Losh } 229ca987d46SWarner Losh printf("No change detected in frame buffer"); 230ca987d46SWarner Losh 231ca987d46SWarner Losh fail: 232ca987d46SWarner Losh printf(" -- error %lu\n", EFI_ERROR_CODE(status)); 233ca987d46SWarner Losh free(data1); 234ca987d46SWarner Losh return (-1); 235ca987d46SWarner Losh } 236ca987d46SWarner Losh 237ca987d46SWarner Losh static EFI_PCI_IO_PROTOCOL * 238ca987d46SWarner Losh efifb_uga_get_pciio(void) 239ca987d46SWarner Losh { 240ca987d46SWarner Losh EFI_PCI_IO_PROTOCOL *pciio; 241ca987d46SWarner Losh EFI_HANDLE *buf, *hp; 242ca987d46SWarner Losh EFI_STATUS status; 243ca987d46SWarner Losh UINTN bufsz; 244ca987d46SWarner Losh 245ca987d46SWarner Losh /* Get all handles that support the UGA protocol. */ 246ca987d46SWarner Losh bufsz = 0; 247ca987d46SWarner Losh status = BS->LocateHandle(ByProtocol, &uga_guid, NULL, &bufsz, NULL); 248ca987d46SWarner Losh if (status != EFI_BUFFER_TOO_SMALL) 249ca987d46SWarner Losh return (NULL); 250ca987d46SWarner Losh buf = malloc(bufsz); 251ca987d46SWarner Losh status = BS->LocateHandle(ByProtocol, &uga_guid, NULL, &bufsz, buf); 252ca987d46SWarner Losh if (status != EFI_SUCCESS) { 253ca987d46SWarner Losh free(buf); 254ca987d46SWarner Losh return (NULL); 255ca987d46SWarner Losh } 256ca987d46SWarner Losh bufsz /= sizeof(EFI_HANDLE); 257ca987d46SWarner Losh 258ca987d46SWarner Losh /* Get the PCI I/O interface of the first handle that supports it. */ 259ca987d46SWarner Losh pciio = NULL; 260ca987d46SWarner Losh for (hp = buf; hp < buf + bufsz; hp++) { 261110d56cbSToomas Soome status = OpenProtocolByHandle(*hp, &pciio_guid, 262110d56cbSToomas Soome (void **)&pciio); 263ca987d46SWarner Losh if (status == EFI_SUCCESS) { 264ca987d46SWarner Losh free(buf); 265ca987d46SWarner Losh return (pciio); 266ca987d46SWarner Losh } 267ca987d46SWarner Losh } 268ca987d46SWarner Losh free(buf); 269ca987d46SWarner Losh return (NULL); 270ca987d46SWarner Losh } 271ca987d46SWarner Losh 272ca987d46SWarner Losh static EFI_STATUS 273ca987d46SWarner Losh efifb_uga_locate_framebuffer(EFI_PCI_IO_PROTOCOL *pciio, uint64_t *addrp, 274ca987d46SWarner Losh uint64_t *sizep) 275ca987d46SWarner Losh { 276ca987d46SWarner Losh uint8_t *resattr; 277ca987d46SWarner Losh uint64_t addr, size; 278ca987d46SWarner Losh EFI_STATUS status; 279ca987d46SWarner Losh u_int bar; 280ca987d46SWarner Losh 281ca987d46SWarner Losh if (pciio == NULL) 282ca987d46SWarner Losh return (EFI_DEVICE_ERROR); 283ca987d46SWarner Losh 284ca987d46SWarner Losh /* Attempt to get the frame buffer address (imprecise). */ 285ca987d46SWarner Losh *addrp = 0; 286ca987d46SWarner Losh *sizep = 0; 287ca987d46SWarner Losh for (bar = 0; bar < 6; bar++) { 288ca987d46SWarner Losh status = pciio->GetBarAttributes(pciio, bar, NULL, 289ca987d46SWarner Losh (void **)&resattr); 290ca987d46SWarner Losh if (status != EFI_SUCCESS) 291ca987d46SWarner Losh continue; 292ca987d46SWarner Losh /* XXX magic offsets and constants. */ 293ca987d46SWarner Losh if (resattr[0] == 0x87 && resattr[3] == 0) { 294ca987d46SWarner Losh /* 32-bit address space descriptor (MEMIO) */ 295ca987d46SWarner Losh addr = le32dec(resattr + 10); 296ca987d46SWarner Losh size = le32dec(resattr + 22); 297ca987d46SWarner Losh } else if (resattr[0] == 0x8a && resattr[3] == 0) { 298ca987d46SWarner Losh /* 64-bit address space descriptor (MEMIO) */ 299ca987d46SWarner Losh addr = le64dec(resattr + 14); 300ca987d46SWarner Losh size = le64dec(resattr + 38); 301ca987d46SWarner Losh } else { 302ca987d46SWarner Losh addr = 0; 303ca987d46SWarner Losh size = 0; 304ca987d46SWarner Losh } 305ca987d46SWarner Losh BS->FreePool(resattr); 306ca987d46SWarner Losh if (addr == 0 || size == 0) 307ca987d46SWarner Losh continue; 308ca987d46SWarner Losh 309ca987d46SWarner Losh /* We assume the largest BAR is the frame buffer. */ 310ca987d46SWarner Losh if (size > *sizep) { 311ca987d46SWarner Losh *addrp = addr; 312ca987d46SWarner Losh *sizep = size; 313ca987d46SWarner Losh } 314ca987d46SWarner Losh } 315ca987d46SWarner Losh return ((*addrp == 0 || *sizep == 0) ? EFI_DEVICE_ERROR : 0); 316ca987d46SWarner Losh } 317ca987d46SWarner Losh 318ca987d46SWarner Losh static int 31952ec89a9SToomas Soome efifb_from_uga(struct efi_fb *efifb) 320ca987d46SWarner Losh { 321ca987d46SWarner Losh EFI_PCI_IO_PROTOCOL *pciio; 322ca987d46SWarner Losh char *ev, *p; 323ca987d46SWarner Losh EFI_STATUS status; 324ca987d46SWarner Losh ssize_t offset; 325ca987d46SWarner Losh uint64_t fbaddr; 326ca987d46SWarner Losh uint32_t horiz, vert, stride; 327ca987d46SWarner Losh uint32_t np, depth, refresh; 328ca987d46SWarner Losh 329ca987d46SWarner Losh status = uga->GetMode(uga, &horiz, &vert, &depth, &refresh); 330ca987d46SWarner Losh if (EFI_ERROR(status)) 331ca987d46SWarner Losh return (1); 332ca987d46SWarner Losh efifb->fb_height = vert; 333ca987d46SWarner Losh efifb->fb_width = horiz; 334ca987d46SWarner Losh /* Paranoia... */ 335ca987d46SWarner Losh if (efifb->fb_height == 0 || efifb->fb_width == 0) 336ca987d46SWarner Losh return (1); 337ca987d46SWarner Losh 338ca987d46SWarner Losh /* The color masks are fixed AFAICT. */ 339ca987d46SWarner Losh efifb_mask_from_pixfmt(efifb, PixelBlueGreenRedReserved8BitPerColor, 340ca987d46SWarner Losh NULL); 341ca987d46SWarner Losh 342ca987d46SWarner Losh /* pciio can be NULL on return! */ 343ca987d46SWarner Losh pciio = efifb_uga_get_pciio(); 344ca987d46SWarner Losh 345ca987d46SWarner Losh /* Try to find the frame buffer. */ 346ca987d46SWarner Losh status = efifb_uga_locate_framebuffer(pciio, &efifb->fb_addr, 347ca987d46SWarner Losh &efifb->fb_size); 348ca987d46SWarner Losh if (EFI_ERROR(status)) { 349ca987d46SWarner Losh efifb->fb_addr = 0; 350ca987d46SWarner Losh efifb->fb_size = 0; 351ca987d46SWarner Losh } 352ca987d46SWarner Losh 353ca987d46SWarner Losh /* 354ca987d46SWarner Losh * There's no reliable way to detect the frame buffer or the 355ca987d46SWarner Losh * offset within the frame buffer of the visible region, nor 356ca987d46SWarner Losh * the stride. Our only option is to look at the system and 357ca987d46SWarner Losh * fill in the blanks based on that. Luckily, UGA was mostly 358ca987d46SWarner Losh * only used on Apple hardware. 359ca987d46SWarner Losh */ 360ca987d46SWarner Losh offset = -1; 361ca987d46SWarner Losh ev = getenv("smbios.system.maker"); 362ca987d46SWarner Losh if (ev != NULL && !strcmp(ev, "Apple Inc.")) { 363ca987d46SWarner Losh ev = getenv("smbios.system.product"); 364ca987d46SWarner Losh if (ev != NULL && !strcmp(ev, "iMac7,1")) { 365ca987d46SWarner Losh /* These are the expected values we should have. */ 366ca987d46SWarner Losh horiz = 1680; 367ca987d46SWarner Losh vert = 1050; 368ca987d46SWarner Losh fbaddr = 0xc0000000; 369ca987d46SWarner Losh /* These are the missing bits. */ 370ca987d46SWarner Losh offset = 0x10000; 371ca987d46SWarner Losh stride = 1728; 372ca987d46SWarner Losh } else if (ev != NULL && !strcmp(ev, "MacBook3,1")) { 373ca987d46SWarner Losh /* These are the expected values we should have. */ 374ca987d46SWarner Losh horiz = 1280; 375ca987d46SWarner Losh vert = 800; 376ca987d46SWarner Losh fbaddr = 0xc0000000; 377ca987d46SWarner Losh /* These are the missing bits. */ 378ca987d46SWarner Losh offset = 0x0; 379ca987d46SWarner Losh stride = 2048; 380ca987d46SWarner Losh } 381ca987d46SWarner Losh } 382ca987d46SWarner Losh 383ca987d46SWarner Losh /* 384ca987d46SWarner Losh * If this is hardware we know, make sure that it looks familiar 385ca987d46SWarner Losh * before we accept our hardcoded values. 386ca987d46SWarner Losh */ 387ca987d46SWarner Losh if (offset >= 0 && efifb->fb_width == horiz && 388ca987d46SWarner Losh efifb->fb_height == vert && efifb->fb_addr == fbaddr) { 389ca987d46SWarner Losh efifb->fb_addr += offset; 390ca987d46SWarner Losh efifb->fb_size -= offset; 391ca987d46SWarner Losh efifb->fb_stride = stride; 392ca987d46SWarner Losh return (0); 393ca987d46SWarner Losh } else if (offset >= 0) { 394ca987d46SWarner Losh printf("Hardware make/model known, but graphics not " 395ca987d46SWarner Losh "as expected.\n"); 396ca987d46SWarner Losh printf("Console may not work!\n"); 397ca987d46SWarner Losh } 398ca987d46SWarner Losh 399ca987d46SWarner Losh /* 400ca987d46SWarner Losh * The stride is equal or larger to the width. Often it's the 401ca987d46SWarner Losh * next larger power of two. We'll start with that... 402ca987d46SWarner Losh */ 403ca987d46SWarner Losh efifb->fb_stride = efifb->fb_width; 404ca987d46SWarner Losh do { 405ca987d46SWarner Losh np = efifb->fb_stride & (efifb->fb_stride - 1); 406ca987d46SWarner Losh if (np) { 407ca987d46SWarner Losh efifb->fb_stride |= (np - 1); 408ca987d46SWarner Losh efifb->fb_stride++; 409ca987d46SWarner Losh } 410ca987d46SWarner Losh } while (np); 411ca987d46SWarner Losh 412ca987d46SWarner Losh ev = getenv("hw.efifb.address"); 413ca987d46SWarner Losh if (ev == NULL) { 414ca987d46SWarner Losh if (efifb->fb_addr == 0) { 415ca987d46SWarner Losh printf("Please set hw.efifb.address and " 416ca987d46SWarner Losh "hw.efifb.stride.\n"); 417ca987d46SWarner Losh return (1); 418ca987d46SWarner Losh } 419ca987d46SWarner Losh 420ca987d46SWarner Losh /* 421ca987d46SWarner Losh * The visible part of the frame buffer may not start at 422ca987d46SWarner Losh * offset 0, so try to detect it. Note that we may not 423ca987d46SWarner Losh * always be able to read from the frame buffer, which 424ca987d46SWarner Losh * means that we may not be able to detect anything. In 425ca987d46SWarner Losh * that case, we would take a long time scanning for a 426ca987d46SWarner Losh * pixel change in the frame buffer, which would have it 427ca987d46SWarner Losh * appear that we're hanging, so we limit the scan to 428ca987d46SWarner Losh * 1/256th of the frame buffer. This number is mostly 429ca987d46SWarner Losh * based on PR 202730 and the fact that on a MacBoook, 430ca987d46SWarner Losh * where we can't read from the frame buffer the offset 431ca987d46SWarner Losh * of the visible region is 0. In short: we want to scan 432ca987d46SWarner Losh * enough to handle all adapters that have an offset 433ca987d46SWarner Losh * larger than 0 and we want to scan as little as we can 434ca987d46SWarner Losh * to not appear to hang when we can't read from the 435ca987d46SWarner Losh * frame buffer. 436ca987d46SWarner Losh */ 437ca987d46SWarner Losh offset = efifb_uga_find_pixel(uga, 0, pciio, efifb->fb_addr, 438ca987d46SWarner Losh efifb->fb_size >> 8); 439ca987d46SWarner Losh if (offset == -1) { 440ca987d46SWarner Losh printf("Unable to reliably detect frame buffer.\n"); 441ca987d46SWarner Losh } else if (offset > 0) { 442ca987d46SWarner Losh efifb->fb_addr += offset; 443ca987d46SWarner Losh efifb->fb_size -= offset; 444ca987d46SWarner Losh } 445ca987d46SWarner Losh } else { 446ca987d46SWarner Losh offset = 0; 447ca987d46SWarner Losh efifb->fb_size = efifb->fb_height * efifb->fb_stride * 4; 448ca987d46SWarner Losh efifb->fb_addr = strtoul(ev, &p, 0); 449ca987d46SWarner Losh if (*p != '\0') 450ca987d46SWarner Losh return (1); 451ca987d46SWarner Losh } 452ca987d46SWarner Losh 453ca987d46SWarner Losh ev = getenv("hw.efifb.stride"); 454ca987d46SWarner Losh if (ev == NULL) { 455ca987d46SWarner Losh if (pciio != NULL && offset != -1) { 456ca987d46SWarner Losh /* Determine the stride. */ 457ca987d46SWarner Losh offset = efifb_uga_find_pixel(uga, 1, pciio, 458ca987d46SWarner Losh efifb->fb_addr, horiz * 8); 459ca987d46SWarner Losh if (offset != -1) 460ca987d46SWarner Losh efifb->fb_stride = offset >> 2; 461ca987d46SWarner Losh } else { 462ca987d46SWarner Losh printf("Unable to reliably detect the stride.\n"); 463ca987d46SWarner Losh } 464ca987d46SWarner Losh } else { 465ca987d46SWarner Losh efifb->fb_stride = strtoul(ev, &p, 0); 466ca987d46SWarner Losh if (*p != '\0') 467ca987d46SWarner Losh return (1); 468ca987d46SWarner Losh } 469ca987d46SWarner Losh 470ca987d46SWarner Losh /* 471ca987d46SWarner Losh * We finalized on the stride, so recalculate the size of the 472ca987d46SWarner Losh * frame buffer. 473ca987d46SWarner Losh */ 474ca987d46SWarner Losh efifb->fb_size = efifb->fb_height * efifb->fb_stride * 4; 475ca987d46SWarner Losh return (0); 476ca987d46SWarner Losh } 477ca987d46SWarner Losh 478becaac39SToomas Soome /* 479becaac39SToomas Soome * Fetch EDID info. Caller must free the buffer. 480becaac39SToomas Soome */ 481becaac39SToomas Soome static struct vesa_edid_info * 482becaac39SToomas Soome efifb_gop_get_edid(EFI_HANDLE h) 483becaac39SToomas Soome { 484becaac39SToomas Soome const uint8_t magic[] = EDID_MAGIC; 485becaac39SToomas Soome EFI_EDID_ACTIVE_PROTOCOL *edid; 486becaac39SToomas Soome struct vesa_edid_info *edid_infop; 487becaac39SToomas Soome EFI_GUID *guid; 488becaac39SToomas Soome EFI_STATUS status; 489becaac39SToomas Soome size_t size; 490becaac39SToomas Soome 491becaac39SToomas Soome guid = &active_edid_guid; 492becaac39SToomas Soome status = BS->OpenProtocol(h, guid, (void **)&edid, IH, NULL, 493becaac39SToomas Soome EFI_OPEN_PROTOCOL_GET_PROTOCOL); 494becaac39SToomas Soome if (status != EFI_SUCCESS || 495becaac39SToomas Soome edid->SizeOfEdid == 0) { 496becaac39SToomas Soome guid = &discovered_edid_guid; 497becaac39SToomas Soome status = BS->OpenProtocol(h, guid, (void **)&edid, IH, NULL, 498becaac39SToomas Soome EFI_OPEN_PROTOCOL_GET_PROTOCOL); 499becaac39SToomas Soome if (status != EFI_SUCCESS || 500becaac39SToomas Soome edid->SizeOfEdid == 0) 501becaac39SToomas Soome return (NULL); 502becaac39SToomas Soome } 503becaac39SToomas Soome 504becaac39SToomas Soome size = MAX(sizeof(*edid_infop), edid->SizeOfEdid); 505becaac39SToomas Soome 506becaac39SToomas Soome edid_infop = calloc(1, size); 507becaac39SToomas Soome if (edid_infop == NULL) 508becaac39SToomas Soome return (NULL); 509becaac39SToomas Soome 510becaac39SToomas Soome memcpy(edid_infop, edid->Edid, edid->SizeOfEdid); 511becaac39SToomas Soome 512becaac39SToomas Soome /* Validate EDID */ 513becaac39SToomas Soome if (memcmp(edid_infop, magic, sizeof (magic)) != 0) 514becaac39SToomas Soome goto error; 515becaac39SToomas Soome 516becaac39SToomas Soome if (edid_infop->header.version != 1) 517becaac39SToomas Soome goto error; 518becaac39SToomas Soome 519becaac39SToomas Soome return (edid_infop); 520becaac39SToomas Soome error: 521becaac39SToomas Soome free(edid_infop); 522becaac39SToomas Soome return (NULL); 523becaac39SToomas Soome } 524becaac39SToomas Soome 525becaac39SToomas Soome static bool 526becaac39SToomas Soome efifb_get_edid(edid_res_list_t *res) 527becaac39SToomas Soome { 528becaac39SToomas Soome bool rv = false; 529becaac39SToomas Soome 530becaac39SToomas Soome if (edid_info == NULL) 531becaac39SToomas Soome edid_info = efifb_gop_get_edid(gop_handle); 532becaac39SToomas Soome 533becaac39SToomas Soome if (edid_info != NULL) 534becaac39SToomas Soome rv = gfx_get_edid_resolution(edid_info, res); 535becaac39SToomas Soome 536becaac39SToomas Soome return (rv); 537becaac39SToomas Soome } 538becaac39SToomas Soome 539ca987d46SWarner Losh int 54050180d2bSToomas Soome efi_find_framebuffer(teken_gfx_t *gfx_state) 541ca987d46SWarner Losh { 542becaac39SToomas Soome EFI_HANDLE *hlist; 543ef698fabSToomas Soome UINTN nhandles, i, hsize; 54450180d2bSToomas Soome struct efi_fb efifb; 545ca987d46SWarner Losh EFI_STATUS status; 54650180d2bSToomas Soome int rv; 54750180d2bSToomas Soome 54850180d2bSToomas Soome gfx_state->tg_fb_type = FB_TEXT; 549ca987d46SWarner Losh 550ef698fabSToomas Soome hsize = 0; 5519adce1aeSToomas Soome hlist = NULL; 552ef698fabSToomas Soome status = BS->LocateHandle(ByProtocol, &gop_guid, NULL, &hsize, hlist); 553ef698fabSToomas Soome if (status == EFI_BUFFER_TOO_SMALL) { 554ef698fabSToomas Soome hlist = malloc(hsize); 555ef698fabSToomas Soome if (hlist == NULL) 556ef698fabSToomas Soome return (ENOMEM); 557ef698fabSToomas Soome status = BS->LocateHandle(ByProtocol, &gop_guid, NULL, &hsize, 558ef698fabSToomas Soome hlist); 559ef698fabSToomas Soome if (EFI_ERROR(status)) 560ef698fabSToomas Soome free(hlist); 561ef698fabSToomas Soome } 562ef698fabSToomas Soome if (EFI_ERROR(status)) 563ef698fabSToomas Soome return (efi_status_to_errno(status)); 564ef698fabSToomas Soome 565ef698fabSToomas Soome nhandles = hsize / sizeof(*hlist); 566ef698fabSToomas Soome 567ef698fabSToomas Soome /* 568ef698fabSToomas Soome * Search for ConOut protocol, if not found, use first handle. 569ef698fabSToomas Soome */ 570becaac39SToomas Soome gop_handle = *hlist; 571ef698fabSToomas Soome for (i = 0; i < nhandles; i++) { 572ef698fabSToomas Soome void *dummy = NULL; 573ef698fabSToomas Soome 574ef698fabSToomas Soome status = OpenProtocolByHandle(hlist[i], &conout_guid, &dummy); 575ef698fabSToomas Soome if (status == EFI_SUCCESS) { 576becaac39SToomas Soome gop_handle = hlist[i]; 577ef698fabSToomas Soome break; 578ef698fabSToomas Soome } 579ef698fabSToomas Soome } 580ef698fabSToomas Soome 581becaac39SToomas Soome status = OpenProtocolByHandle(gop_handle, &gop_guid, (void **)&gop); 582ef698fabSToomas Soome free(hlist); 583ef698fabSToomas Soome 58450180d2bSToomas Soome if (status == EFI_SUCCESS) { 58550180d2bSToomas Soome gfx_state->tg_fb_type = FB_GOP; 58650180d2bSToomas Soome gfx_state->tg_private = gop; 587becaac39SToomas Soome if (edid_info == NULL) 588becaac39SToomas Soome edid_info = efifb_gop_get_edid(gop_handle); 58950180d2bSToomas Soome } else { 590ca987d46SWarner Losh status = BS->LocateProtocol(&uga_guid, NULL, (VOID **)&uga); 59150180d2bSToomas Soome if (status == EFI_SUCCESS) { 59250180d2bSToomas Soome gfx_state->tg_fb_type = FB_UGA; 59350180d2bSToomas Soome gfx_state->tg_private = uga; 59450180d2bSToomas Soome } else { 595ca987d46SWarner Losh return (1); 596ca987d46SWarner Losh } 59750180d2bSToomas Soome } 59850180d2bSToomas Soome 59950180d2bSToomas Soome switch (gfx_state->tg_fb_type) { 60050180d2bSToomas Soome case FB_GOP: 60150180d2bSToomas Soome rv = efifb_from_gop(&efifb, gop->Mode, gop->Mode->Info); 60250180d2bSToomas Soome break; 60350180d2bSToomas Soome 60450180d2bSToomas Soome case FB_UGA: 60552ec89a9SToomas Soome rv = efifb_from_uga(&efifb); 60650180d2bSToomas Soome break; 60750180d2bSToomas Soome 60850180d2bSToomas Soome default: 60950180d2bSToomas Soome return (1); 61050180d2bSToomas Soome } 61150180d2bSToomas Soome 61250180d2bSToomas Soome gfx_state->tg_fb.fb_addr = efifb.fb_addr; 61350180d2bSToomas Soome gfx_state->tg_fb.fb_size = efifb.fb_size; 61450180d2bSToomas Soome gfx_state->tg_fb.fb_height = efifb.fb_height; 61550180d2bSToomas Soome gfx_state->tg_fb.fb_width = efifb.fb_width; 61650180d2bSToomas Soome gfx_state->tg_fb.fb_stride = efifb.fb_stride; 61750180d2bSToomas Soome gfx_state->tg_fb.fb_mask_red = efifb.fb_mask_red; 61850180d2bSToomas Soome gfx_state->tg_fb.fb_mask_green = efifb.fb_mask_green; 61950180d2bSToomas Soome gfx_state->tg_fb.fb_mask_blue = efifb.fb_mask_blue; 62050180d2bSToomas Soome gfx_state->tg_fb.fb_mask_reserved = efifb.fb_mask_reserved; 62150180d2bSToomas Soome 62250180d2bSToomas Soome gfx_state->tg_fb.fb_bpp = fls(efifb.fb_mask_red | efifb.fb_mask_green | 62350180d2bSToomas Soome efifb.fb_mask_blue | efifb.fb_mask_reserved); 62450180d2bSToomas Soome 62550180d2bSToomas Soome return (0); 62650180d2bSToomas Soome } 627ca987d46SWarner Losh 628ca987d46SWarner Losh static void 629ca987d46SWarner Losh print_efifb(int mode, struct efi_fb *efifb, int verbose) 630ca987d46SWarner Losh { 631ca987d46SWarner Losh u_int depth; 632ca987d46SWarner Losh 633ca987d46SWarner Losh if (mode >= 0) 634ca987d46SWarner Losh printf("mode %d: ", mode); 635ca987d46SWarner Losh depth = efifb_color_depth(efifb); 636ca987d46SWarner Losh printf("%ux%ux%u, stride=%u", efifb->fb_width, efifb->fb_height, 637ca987d46SWarner Losh depth, efifb->fb_stride); 638ca987d46SWarner Losh if (verbose) { 639ca987d46SWarner Losh printf("\n frame buffer: address=%jx, size=%jx", 640ca987d46SWarner Losh (uintmax_t)efifb->fb_addr, (uintmax_t)efifb->fb_size); 641ca987d46SWarner Losh printf("\n color mask: R=%08x, G=%08x, B=%08x\n", 642ca987d46SWarner Losh efifb->fb_mask_red, efifb->fb_mask_green, 643ca987d46SWarner Losh efifb->fb_mask_blue); 644ca987d46SWarner Losh } 645ca987d46SWarner Losh } 646ca987d46SWarner Losh 64705e8899dSKyle Evans static bool 64805e8899dSKyle Evans efi_resolution_compare(struct named_resolution *res, const char *cmp) 64905e8899dSKyle Evans { 65005e8899dSKyle Evans 65105e8899dSKyle Evans if (strcasecmp(res->name, cmp) == 0) 65205e8899dSKyle Evans return (true); 65305e8899dSKyle Evans if (res->alias != NULL && strcasecmp(res->alias, cmp) == 0) 65405e8899dSKyle Evans return (true); 65505e8899dSKyle Evans return (false); 65605e8899dSKyle Evans } 65705e8899dSKyle Evans 65805e8899dSKyle Evans 65905e8899dSKyle Evans static void 66005e8899dSKyle Evans efi_get_max_resolution(int *width, int *height) 66105e8899dSKyle Evans { 66205e8899dSKyle Evans struct named_resolution *res; 66305e8899dSKyle Evans char *maxres; 66405e8899dSKyle Evans char *height_start, *width_start; 66505e8899dSKyle Evans int idx; 66605e8899dSKyle Evans 66705e8899dSKyle Evans *width = *height = 0; 66805e8899dSKyle Evans maxres = getenv("efi_max_resolution"); 66905e8899dSKyle Evans /* No max_resolution set? Bail out; choose highest resolution */ 67005e8899dSKyle Evans if (maxres == NULL) 67105e8899dSKyle Evans return; 67205e8899dSKyle Evans /* See if it matches one of our known resolutions */ 67305e8899dSKyle Evans for (idx = 0; idx < nitems(resolutions); ++idx) { 67405e8899dSKyle Evans res = &resolutions[idx]; 67505e8899dSKyle Evans if (efi_resolution_compare(res, maxres)) { 67605e8899dSKyle Evans *width = res->width; 67705e8899dSKyle Evans *height = res->height; 67805e8899dSKyle Evans return; 67905e8899dSKyle Evans } 68005e8899dSKyle Evans } 68105e8899dSKyle Evans /* Not a known resolution, try to parse it; make a copy we can modify */ 68205e8899dSKyle Evans maxres = strdup(maxres); 68305e8899dSKyle Evans if (maxres == NULL) 68405e8899dSKyle Evans return; 68505e8899dSKyle Evans height_start = strchr(maxres, 'x'); 68605e8899dSKyle Evans if (height_start == NULL) { 68705e8899dSKyle Evans free(maxres); 68805e8899dSKyle Evans return; 68905e8899dSKyle Evans } 69005e8899dSKyle Evans width_start = maxres; 69105e8899dSKyle Evans *height_start++ = 0; 69205e8899dSKyle Evans /* Errors from this will effectively mean "no max" */ 69305e8899dSKyle Evans *width = (int)strtol(width_start, NULL, 0); 69405e8899dSKyle Evans *height = (int)strtol(height_start, NULL, 0); 69505e8899dSKyle Evans free(maxres); 69605e8899dSKyle Evans } 69705e8899dSKyle Evans 6985f8cfbe1SKyle Evans static int 69952ec89a9SToomas Soome gop_autoresize(void) 7005f8cfbe1SKyle Evans { 7015f8cfbe1SKyle Evans struct efi_fb efifb; 7025f8cfbe1SKyle Evans EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info; 7035f8cfbe1SKyle Evans EFI_STATUS status; 7045f8cfbe1SKyle Evans UINTN infosz; 7055f8cfbe1SKyle Evans UINT32 best_mode, currdim, maxdim, mode; 70605e8899dSKyle Evans int height, max_height, max_width, width; 7075f8cfbe1SKyle Evans 7085f8cfbe1SKyle Evans best_mode = maxdim = 0; 70905e8899dSKyle Evans efi_get_max_resolution(&max_width, &max_height); 7105f8cfbe1SKyle Evans for (mode = 0; mode < gop->Mode->MaxMode; mode++) { 7115f8cfbe1SKyle Evans status = gop->QueryMode(gop, mode, &infosz, &info); 7125f8cfbe1SKyle Evans if (EFI_ERROR(status)) 7135f8cfbe1SKyle Evans continue; 7145f8cfbe1SKyle Evans efifb_from_gop(&efifb, gop->Mode, info); 71505e8899dSKyle Evans width = info->HorizontalResolution; 71605e8899dSKyle Evans height = info->VerticalResolution; 71705e8899dSKyle Evans currdim = width * height; 7185f8cfbe1SKyle Evans if (currdim > maxdim) { 71905e8899dSKyle Evans if ((max_width != 0 && width > max_width) || 72005e8899dSKyle Evans (max_height != 0 && height > max_height)) 72105e8899dSKyle Evans continue; 7225f8cfbe1SKyle Evans maxdim = currdim; 7235f8cfbe1SKyle Evans best_mode = mode; 7245f8cfbe1SKyle Evans } 7255f8cfbe1SKyle Evans } 7265f8cfbe1SKyle Evans 727807dbf2bSKyle Evans if (maxdim != 0) { 7285f8cfbe1SKyle Evans status = gop->SetMode(gop, best_mode); 7295f8cfbe1SKyle Evans if (EFI_ERROR(status)) { 7305f8cfbe1SKyle Evans snprintf(command_errbuf, sizeof(command_errbuf), 7315f8cfbe1SKyle Evans "gop_autoresize: Unable to set mode to %u (error=%lu)", 7325f8cfbe1SKyle Evans mode, EFI_ERROR_CODE(status)); 7335f8cfbe1SKyle Evans return (CMD_ERROR); 7345f8cfbe1SKyle Evans } 7353630506bSToomas Soome (void) cons_update_mode(true); 736807dbf2bSKyle Evans } 7375f8cfbe1SKyle Evans return (CMD_OK); 7385f8cfbe1SKyle Evans } 7395f8cfbe1SKyle Evans 7405f8cfbe1SKyle Evans static int 7411c169279SKyle Evans text_autoresize() 7421c169279SKyle Evans { 7431c169279SKyle Evans SIMPLE_TEXT_OUTPUT_INTERFACE *conout; 7441c169279SKyle Evans EFI_STATUS status; 7451c169279SKyle Evans UINTN i, max_dim, best_mode, cols, rows; 7461c169279SKyle Evans 7471c169279SKyle Evans conout = ST->ConOut; 7481c169279SKyle Evans max_dim = best_mode = 0; 7491c169279SKyle Evans for (i = 0; i < conout->Mode->MaxMode; i++) { 7501c169279SKyle Evans status = conout->QueryMode(conout, i, &cols, &rows); 7511c169279SKyle Evans if (EFI_ERROR(status)) 7521c169279SKyle Evans continue; 7531c169279SKyle Evans if (cols * rows > max_dim) { 7541c169279SKyle Evans max_dim = cols * rows; 7551c169279SKyle Evans best_mode = i; 7561c169279SKyle Evans } 7571c169279SKyle Evans } 7581c169279SKyle Evans if (max_dim > 0) 7591c169279SKyle Evans conout->SetMode(conout, best_mode); 7603630506bSToomas Soome (void) cons_update_mode(true); 7611c169279SKyle Evans return (CMD_OK); 7621c169279SKyle Evans } 7631c169279SKyle Evans 7641c169279SKyle Evans static int 76552ec89a9SToomas Soome uga_autoresize(void) 7665f8cfbe1SKyle Evans { 7675f8cfbe1SKyle Evans 76876e00374SKyle Evans return (text_autoresize()); 7695f8cfbe1SKyle Evans } 7705f8cfbe1SKyle Evans 7715f8cfbe1SKyle Evans COMMAND_SET(efi_autoresize, "efi-autoresizecons", "EFI Auto-resize Console", command_autoresize); 7725f8cfbe1SKyle Evans 7735f8cfbe1SKyle Evans static int 7745f8cfbe1SKyle Evans command_autoresize(int argc, char *argv[]) 7755f8cfbe1SKyle Evans { 7761c169279SKyle Evans char *textmode; 7775f8cfbe1SKyle Evans 7781c169279SKyle Evans textmode = getenv("hw.vga.textmode"); 7791c169279SKyle Evans /* If it's set and non-zero, we'll select a console mode instead */ 7801c169279SKyle Evans if (textmode != NULL && strcmp(textmode, "0") != 0) 7811c169279SKyle Evans return (text_autoresize()); 7821c169279SKyle Evans 78352ec89a9SToomas Soome if (gop != NULL) 78452ec89a9SToomas Soome return (gop_autoresize()); 7855f8cfbe1SKyle Evans 78652ec89a9SToomas Soome if (uga != NULL) 78752ec89a9SToomas Soome return (uga_autoresize()); 7885f8cfbe1SKyle Evans 7895f8cfbe1SKyle Evans snprintf(command_errbuf, sizeof(command_errbuf), 7905f8cfbe1SKyle Evans "%s: Neither Graphics Output Protocol nor Universal Graphics Adapter present", 7915f8cfbe1SKyle Evans argv[0]); 79237528fb4SKyle Evans 79337528fb4SKyle Evans /* 79437528fb4SKyle Evans * Default to text_autoresize if we have neither GOP or UGA. This won't 79537528fb4SKyle Evans * give us the most ideal resolution, but it will at least leave us 79637528fb4SKyle Evans * functional rather than failing the boot for an objectively bad 79737528fb4SKyle Evans * reason. 79837528fb4SKyle Evans */ 79937528fb4SKyle Evans return (text_autoresize()); 8005f8cfbe1SKyle Evans } 8015f8cfbe1SKyle Evans 802ca987d46SWarner Losh COMMAND_SET(gop, "gop", "graphics output protocol", command_gop); 803ca987d46SWarner Losh 804ca987d46SWarner Losh static int 805ca987d46SWarner Losh command_gop(int argc, char *argv[]) 806ca987d46SWarner Losh { 807ca987d46SWarner Losh struct efi_fb efifb; 808ca987d46SWarner Losh EFI_STATUS status; 809ca987d46SWarner Losh u_int mode; 810ca987d46SWarner Losh 81152ec89a9SToomas Soome if (gop == NULL) { 812ca987d46SWarner Losh snprintf(command_errbuf, sizeof(command_errbuf), 81352ec89a9SToomas Soome "%s: Graphics Output Protocol not present", argv[0]); 814ca987d46SWarner Losh return (CMD_ERROR); 815ca987d46SWarner Losh } 816ca987d46SWarner Losh 817ca987d46SWarner Losh if (argc < 2) 818ca987d46SWarner Losh goto usage; 819ca987d46SWarner Losh 820ca987d46SWarner Losh if (!strcmp(argv[1], "set")) { 821ca987d46SWarner Losh char *cp; 822ca987d46SWarner Losh 823ca987d46SWarner Losh if (argc != 3) 824ca987d46SWarner Losh goto usage; 825ca987d46SWarner Losh mode = strtol(argv[2], &cp, 0); 826ca987d46SWarner Losh if (cp[0] != '\0') { 827ca987d46SWarner Losh sprintf(command_errbuf, "mode is an integer"); 828ca987d46SWarner Losh return (CMD_ERROR); 829ca987d46SWarner Losh } 830ca987d46SWarner Losh status = gop->SetMode(gop, mode); 831ca987d46SWarner Losh if (EFI_ERROR(status)) { 832ca987d46SWarner Losh snprintf(command_errbuf, sizeof(command_errbuf), 833ca987d46SWarner Losh "%s: Unable to set mode to %u (error=%lu)", 834ca987d46SWarner Losh argv[0], mode, EFI_ERROR_CODE(status)); 835ca987d46SWarner Losh return (CMD_ERROR); 836ca987d46SWarner Losh } 8373630506bSToomas Soome (void) cons_update_mode(true); 8383630506bSToomas Soome } else if (strcmp(argv[1], "off") == 0) { 8393630506bSToomas Soome (void) cons_update_mode(false); 8403630506bSToomas Soome } else if (strcmp(argv[1], "get") == 0) { 841becaac39SToomas Soome edid_res_list_t res; 842becaac39SToomas Soome 843ca987d46SWarner Losh if (argc != 2) 844ca987d46SWarner Losh goto usage; 845becaac39SToomas Soome TAILQ_INIT(&res); 846ca987d46SWarner Losh efifb_from_gop(&efifb, gop->Mode, gop->Mode->Info); 847becaac39SToomas Soome if (efifb_get_edid(&res)) { 848becaac39SToomas Soome struct resolution *rp; 849becaac39SToomas Soome 850becaac39SToomas Soome printf("EDID"); 851becaac39SToomas Soome while ((rp = TAILQ_FIRST(&res)) != NULL) { 852becaac39SToomas Soome printf(" %dx%d", rp->width, rp->height); 853becaac39SToomas Soome TAILQ_REMOVE(&res, rp, next); 854becaac39SToomas Soome free(rp); 855becaac39SToomas Soome } 856becaac39SToomas Soome printf("\n"); 857becaac39SToomas Soome } else { 858becaac39SToomas Soome printf("no EDID information\n"); 859becaac39SToomas Soome } 860ca987d46SWarner Losh print_efifb(gop->Mode->Mode, &efifb, 1); 861ca987d46SWarner Losh printf("\n"); 862ca987d46SWarner Losh } else if (!strcmp(argv[1], "list")) { 863ca987d46SWarner Losh EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info; 864ca987d46SWarner Losh UINTN infosz; 865ca987d46SWarner Losh 866ca987d46SWarner Losh if (argc != 2) 867ca987d46SWarner Losh goto usage; 868becaac39SToomas Soome 869ca987d46SWarner Losh pager_open(); 870ca987d46SWarner Losh for (mode = 0; mode < gop->Mode->MaxMode; mode++) { 871ca987d46SWarner Losh status = gop->QueryMode(gop, mode, &infosz, &info); 872ca987d46SWarner Losh if (EFI_ERROR(status)) 873ca987d46SWarner Losh continue; 874ca987d46SWarner Losh efifb_from_gop(&efifb, gop->Mode, info); 875ca987d46SWarner Losh print_efifb(mode, &efifb, 0); 876ca987d46SWarner Losh if (pager_output("\n")) 877ca987d46SWarner Losh break; 878ca987d46SWarner Losh } 879ca987d46SWarner Losh pager_close(); 880ca987d46SWarner Losh } 881ca987d46SWarner Losh return (CMD_OK); 882ca987d46SWarner Losh 883ca987d46SWarner Losh usage: 884ca987d46SWarner Losh snprintf(command_errbuf, sizeof(command_errbuf), 8853630506bSToomas Soome "usage: %s [list | get | set <mode> | off]", argv[0]); 886ca987d46SWarner Losh return (CMD_ERROR); 887ca987d46SWarner Losh } 888ca987d46SWarner Losh 889ca987d46SWarner Losh COMMAND_SET(uga, "uga", "universal graphics adapter", command_uga); 890ca987d46SWarner Losh 891ca987d46SWarner Losh static int 892ca987d46SWarner Losh command_uga(int argc, char *argv[]) 893ca987d46SWarner Losh { 894ca987d46SWarner Losh struct efi_fb efifb; 895ca987d46SWarner Losh 89652ec89a9SToomas Soome if (uga == NULL) { 897ca987d46SWarner Losh snprintf(command_errbuf, sizeof(command_errbuf), 89852ec89a9SToomas Soome "%s: UGA Protocol not present", argv[0]); 899ca987d46SWarner Losh return (CMD_ERROR); 900ca987d46SWarner Losh } 901ca987d46SWarner Losh 902ca987d46SWarner Losh if (argc != 1) 903ca987d46SWarner Losh goto usage; 904ca987d46SWarner Losh 90552ec89a9SToomas Soome if (efifb_from_uga(&efifb) != CMD_OK) { 906ca987d46SWarner Losh snprintf(command_errbuf, sizeof(command_errbuf), 907ca987d46SWarner Losh "%s: Unable to get UGA information", argv[0]); 908ca987d46SWarner Losh return (CMD_ERROR); 909ca987d46SWarner Losh } 910ca987d46SWarner Losh 911ca987d46SWarner Losh print_efifb(-1, &efifb, 1); 912ca987d46SWarner Losh printf("\n"); 913ca987d46SWarner Losh return (CMD_OK); 914ca987d46SWarner Losh 915ca987d46SWarner Losh usage: 916ca987d46SWarner Losh snprintf(command_errbuf, sizeof(command_errbuf), "usage: %s", argv[0]); 917ca987d46SWarner Losh return (CMD_ERROR); 918ca987d46SWarner Losh } 919