diff options
Diffstat (limited to 'src/reg_dumper/hotplug.c')
| -rw-r--r-- | src/reg_dumper/hotplug.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/reg_dumper/hotplug.c b/src/reg_dumper/hotplug.c new file mode 100644 index 00000000..68fe5842 --- /dev/null +++ b/src/reg_dumper/hotplug.c @@ -0,0 +1,151 @@ +/* + * Copyright © 2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> +#include <pciaccess.h> +#include <err.h> +#include <unistd.h> + +#include "reg_dumper.h" +#include "../i810_reg.h" + +struct idle_flags { + uint32_t instdone_flag; + char *name; + unsigned int count; +}; + +int main(int argc, char **argv) +{ + struct pci_device *dev; + I830Rec i830; + I830Ptr pI830 = &i830; + ScrnInfoRec scrn; + int err, mmio_bar; + void *mmio; + int i; + + err = pci_system_init(); + if (err != 0) { + fprintf(stderr, "Couldn't initialize PCI system: %s\n", strerror(err)); + exit(1); + } + + /* Grab the graphics card */ + dev = pci_device_find_by_slot(0, 0, 2, 0); + if (dev == NULL) + errx(1, "Couldn't find graphics card"); + + err = pci_device_probe(dev); + if (err != 0) { + fprintf(stderr, "Couldn't probe graphics card: %s\n", strerror(err)); + exit(1); + } + + if (dev->vendor_id != 0x8086) + errx(1, "Graphics card is non-intel"); + + i830.PciInfo = &i830.pci_info_rec; + i830.PciInfo->chipType = dev->device_id; + + i830.pci_dev = dev; + + mmio_bar = IS_I9XX((&i830)) ? 0 : 1; + + err = pci_device_map_range (dev, + dev->regions[mmio_bar].base_addr, + dev->regions[mmio_bar].size, + PCI_DEV_MAP_FLAG_WRITABLE, + &mmio); + + if (err != 0) { + fprintf(stderr, "Couldn't map MMIO region: %s\n", strerror(err)); + exit(1); + } + i830.mmio = mmio; + + scrn.scrnIndex = 0; + scrn.pI830 = &i830; + + OUTREG(SDVOB, (0x0 << 10)); + OUTREG(SDVOC, (0x0 << 10)); + + OUTREG(PORT_HOTPLUG_EN, + (1 << 29) | + (1 << 28) | + (1 << 27) | + SDVOB_HOTPLUG_INT_EN | + SDVOC_HOTPLUG_INT_EN | + (1 << 24) | + CRT_HOTPLUG_INT_EN | + TV_HOTPLUG_INT_EN | + CRT_HOTPLUG_INT_EN); + + for (i = 0;; i++) { + OUTREG(PORT_HOTPLUG_STAT, + (1 << 20) | + (1 << 19) | + (1 << 18) | + (1 << 17) | + CRT_HOTPLUG_INT_STATUS | + TV_HOTPLUG_INT_STATUS | + SDVOC_HOTPLUG_INT_STATUS | + SDVOB_HOTPLUG_INT_STATUS); + INREG(PORT_HOTPLUG_STAT); + + usleep(500 * 1000); + + printf("%5d: 0x%08x\n", i, INREG(PORT_HOTPLUG_STAT)); + sleep(1); + } + + return 0; +} + +void xf86DrvMsg(int scrnIndex, int severity, const char *format, ...) +{ + va_list va; + + switch (severity) { + case X_INFO: + printf("(II): "); + break; + case X_WARNING: + printf("(WW): "); + break; + case X_ERROR: + printf("(EE): "); + break; + } + + va_start(va, format); + vprintf(format, va); + va_end(va); +} |