diff options
Diffstat (limited to 'util/i915tool/main.c')
-rw-r--r-- | util/i915tool/main.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/util/i915tool/main.c b/util/i915tool/main.c deleted file mode 100644 index a0b4dec179..0000000000 --- a/util/i915tool/main.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - * This file is part of i915tool - * - * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "video.h" - -int verbose = 1; -static unsigned short addrport, dataport; -struct drm_device *i915; -unsigned short vendor=0x8086, device=0x0116; -struct pci_dev fake = {.vendor_id=0x8086, .device_id = 0x0116}; -int dofake = 0; -u8 *bios_image = NULL; -u8 *mmiobase; -u32 mmiophys; -int mmiosize; -size_t bios_image_size; -/* temporary */ -unsigned int i915_lvds_downclock = 0; -int i915_vbt_sdvo_panel_type = -1; - -/* */ - -/* not sure how we want to do this so let's guess */ -/* to make it easy, we start at zero and assume 250 hz. */ -unsigned long msecs(void) -{ - struct timeval start, now; - static int first = 0; - unsigned long j; - if (! first++) - gettimeofday(&start, NULL); - gettimeofday(&now, NULL); - j = (now.tv_sec - start.tv_sec)*1000 + (now.tv_usec-start.tv_usec)/1000; - return j; -} - -void -mdelay(unsigned long ms) -{ - unsigned long start; - start = msecs(); - while (msecs() < (start + ms)) - ; -} - -void -hexdump(u8 *base, int size) -{ - int i, j; - for(i = 0; i < size/sizeof(u32); i += 8) { - printf("%#x: ", i); - for(j = 0; j < 8; j++) - printf("%08x", base[i+j]); - printf("\n"); - } -} -void udelay(int i) -{ - printf("UDELAY!\n"); -} - -unsigned long io_I915_READ(unsigned long addr) -{ - unsigned long val; - if (dofake) - return 0xcafebabe; - outl(addr, addrport); - val = inl(dataport); - if (verbose) - fprintf(stderr, "%s: %x <- %x\n", __func__, val, addr); - return val; -} - -void io_I915_WRITE(unsigned long addr, unsigned long val) -{ - if (dofake) - return; - outl(addr, addrport); - outl(val, dataport); - if (verbose) - fprintf(stderr, "%s: %x -> %x\n", __func__, val, addr); -} - -unsigned long I915_READ(unsigned long addr) -{ - volatile u32 *ptr = (u32 *)(mmiobase + addr); - unsigned long val; - if (dofake) - return 0xcafebabe; - val = *ptr; - if (verbose) - fprintf(stderr, "%s: %x <- %x\n", __func__, val, addr); - return val; -} - -void I915_WRITE(unsigned long addr, unsigned long val) -{ - volatile u32 *ptr = (u32 *)(mmiobase + addr); - if (dofake) - return; - *ptr = val; - if (verbose) - fprintf(stderr, "%s: %x -> %x\n", __func__, val, addr); -} - -u16 I915_READ16(unsigned long addr) -{ - volatile u16 *ptr = (u16 *)(mmiobase + addr); - unsigned long val; - if (dofake) - return 0xbabe; - val = *ptr; - if (verbose) - fprintf(stderr, "%s: %x <- %x\n", __func__, val, addr); - return val; -} - -void I915_WRITE16(unsigned long addr, u16 val) -{ - volatile u16 *ptr = (u16 *)(mmiobase + addr); - if (dofake) - return; - *ptr = val; - if (verbose) - fprintf(stderr, "%s: %x -> %x\n", __func__, val, addr); -} - -#define GTT_RETRY 1000 -static int gtt_poll(u32 reg, u32 mask, u32 value) -{ - unsigned try = GTT_RETRY; - u32 data; - - while (try--) { - data = I915_READ(reg); - if ((data & mask) == value){ - printf("succeeds after %d tries\n", GTT_RETRY-try); - return 1; - } - udelay(10); - } - - fprintf(stderr, "GT init timeout\n"); - return 0; -} -void *pci_map_rom(struct pci_dev *dev, size_t *size) -{ - *size = bios_image_size; - return bios_image; -} - -void *pci_unmap_rom(struct pci_dev *dev, void *bios) -{ - return NULL; -} - -void *dmi_check_system(unsigned long ignore) -{ - return NULL; -} - -void -mapit(void) -{ - int kfd; - kfd = open("/dev/mem", O_RDWR); - if (kfd < 0) - errx(1, "/dev/kmem"); - mmiobase = mmap(NULL, mmiosize, PROT_WRITE|PROT_READ, MAP_SHARED, kfd, - mmiophys); - if ((void *)-1 == mmiobase) - errx(1, "mmap"); -} - -void -devinit() -{ - u32 val; - /* force wake. */ - I915_WRITE(0xa18c, 1); - gtt_poll(0x130090, 1, 1); -} -int main(int argc, char *argv[]) -{ - struct pci_dev *pci_dev_find(struct drm_device *dev); - - for(argc--, argv++; argc; argc--, argv++) { - if (argv[0][0] != '-') - break; - if (!strcmp(argv[0], "-f")) - dofake++; - } - i915 = calloc(1, sizeof(*i915)); - i915->dev_private = calloc(1, sizeof(*i915->dev_private)); - /* until we do a bit more w/ coccinelle */ - i915->dev_private->dev = i915; - - if (dofake) { - i915->pdev = &fake; - if (! find_idlist(i915, vendor, device)) - errx(1, "can't find fake device in pciidlist"); - } else { - if (! pci_dev_find(i915)) - errx(1, "No VGA device of any kind found\n"); - } - - if (argc) { - FILE *fd; - int amt; - /* size it later */ - bios_image = malloc(8*1048576); - fd = fopen(argv[0], "r"); - amt = fread(bios_image, 65536, 128, fd); - fclose(fd); - if (amt < 1) { - free(bios_image); - } else { - i915->bios_bin = bios_image; - i915->dev_private->opregion.vbt = bios_image; - bios_image_size = amt * 65536; - } - } - /* get the base address for the mmio indirection registers -- BAR 2 */ - addrport = i915->pdev->base_addr[4] & ~3; - dataport = addrport + 4; - printf("Addrport is at %x, dataport at %x\n", addrport, dataport); - /* get the base of the mmio space */ - mmiophys = i915->pdev->base_addr[0] & ~0xf; - mmiosize = i915->pdev->size[0]; - printf("phys base is %#x, size %d\n", mmiophys, mmiosize); - mapit(); - devinit(); - //hexdump(mmiobase, mmiosize); - /* we should use ioperm but hey ... it's had troubles */ - iopl(3); - intel_setup_bios(i915); - if (i915->bios_bin) - intel_parse_bios(i915); -} |