Add VBIOS software flags dumper program
Still need to actually print all the flags & test on various platforms, but at least the bits are documented now.
This commit is contained in:
Jesse Barnes
parent
385dc85881
commit
7a1cc48276
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@ -1,6 +1,6 @@
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AM_CFLAGS = @WARN_CFLAGS@ @XORG_CFLAGS@ @XMODES_CFLAGS@ @PCIACCESS_CFLAGS@
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noinst_PROGRAMS = bios_reader $(BIOS_DUMPER)
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noinst_PROGRAMS = bios_reader $(BIOS_DUMPER) $(SWF_DUMPER)
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if LIBPCIACCESS
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BIOS_DUMPER = bios_dumper
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@ -9,4 +9,10 @@ bios_dumper_SOURCES = bios_dumper.c
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bios_dumper_LDADD = $(PCIACCESS_LIBS)
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SWF_DUMPER = swf_dumper
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swf_dumper_SOURCES = swf_dumper.c
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swf_dumper_LDADD = $(PCIACCESS_LIBS)
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endif
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@ -0,0 +1,108 @@
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/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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* Jesse Barnes <jesse.barnes@intel.com>
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <pciaccess.h>
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#include <err.h>
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#include "../i810_reg.h"
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#include "../i830_bios.h"
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#ifndef DEFFILEMODE
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#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) /* 0666*/
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#endif
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static uint32_t read32(void *base, int reg)
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{
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uint32_t *addr = (uint32_t *)((unsigned char *)(base) + reg);
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return *addr;
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}
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static void write32(void *base, int reg, uint32_t val)
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{
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uint32_t *addr = (uint32_t *)((unsigned char *)(base) + reg);
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*addr = val;
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}
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static void usage(void)
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{
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fprintf(stderr, "usage: swf_dumper\n");
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exit(1);
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}
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int main(int argc, char **argv)
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{
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struct pci_device *dev;
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int err;
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void *addr;
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if (argc != 1)
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usage();
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err = pci_system_init();
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if (err != 0) {
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fprintf(stderr, "Couldn't initialize PCI system: %s\n", strerror(err));
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exit(1);
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}
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/* Grab the graphics card */
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dev = pci_device_find_by_slot(0, 0, 2, 0);
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if (dev == NULL)
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errx(1, "Couldn't find graphics card");
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err = pci_device_probe(dev);
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if (err != 0) {
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fprintf(stderr, "Couldn't probe graphics card: %s\n", strerror(err));
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exit(1);
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}
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if (dev->vendor_id != 0x8086)
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errx(1, "Graphics card is non-intel");
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err = pci_device_map_range(dev, dev->regions[0].base_addr,
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dev->regions[0].size,
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PCI_DEV_MAP_FLAG_WRITABLE, &addr);
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if (err) {
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fprintf(stderr, "Couldn't map MMIO space: %s\n", strerror(err));
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exit(1);
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}
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printf("SWF14: 0x%08x\n", read32(addr, SWF14));
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pci_system_cleanup();
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return 0;
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}
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121
src/i830_bios.h
121
src/i830_bios.h
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@ -254,4 +254,125 @@ struct vch_bdb_22 {
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int i830_bios_init(ScrnInfoPtr pScrn);
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/*
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* Driver<->VBIOS interaction occurs through scratch bits in
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* GR18 & SWF*.
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*/
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/* GR18 bits are set on display switch and hotkey events */
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#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
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#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
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#define GR18_HK_NONE (0x0<<3)
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#define GR18_HK_LFP_STRETCH (0x1<<3)
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#define GR18_HK_TOGGLE_DISP (0x2<<3)
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#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
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#define GR18_HK_POPUP_DISABLED (0x6<<3)
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#define GR18_HK_POPUP_ENABLED (0x7<<3)
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#define GR18_HK_PFIT (0x8<<3)
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#define GR18_HK_APM_CHANGE (0xa<<3)
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#define GR18_HK_MULTIPLE (0xc<<3)
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#define GR18_USER_INT_EN (1<<2)
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#define GR18_A0000_FLUSH_EN (1<<1)
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#define GR18_SMM_EN (1<<0)
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/* Set by driver, cleared by VBIOS */
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#define SWF00_YRES_SHIFT 16
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#define SWF00_XRES_SHIFT 0
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#define SWF00_RES_MASK 0xffff
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/* Set by VBIOS at boot time and driver at runtime */
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#define SWF01_TV2_FORMAT_SHIFT 8
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#define SWF01_TV1_FORMAT_SHIFT 0
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#define SWF01_TV_FORMAT_MASK 0xffff
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#define SWF10_VBIOS_BLC_I2C_EN (1<<29)
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#define SWF10_GTT_OVERRIDE_EN (1<<28)
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#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
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#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
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#define SWF10_OLD_TOGGLE 0x0
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#define SWF10_TOGGLE_LIST_1 0x1
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#define SWF10_TOGGLE_LIST_2 0x2
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#define SWF10_TOGGLE_LIST_3 0x3
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#define SWF10_TOGGLE_LIST_4 0x4
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#define SWF10_PANNING_EN (1<<23)
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#define SWF10_DRIVER_LOADED (1<<22)
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#define SWF10_EXTENDED_DESKTOP (1<<21)
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#define SWF10_EXCLUSIVE_MODE (1<<20)
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#define SWF10_OVERLAY_EN (1<<19)
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#define SWF10_PLANEB_HOLDOFF (1<<18)
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#define SWF10_PLANEA_HOLDOFF (1<<17)
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#define SWF10_VGA_HOLDOFF (1<<16)
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#define SWF10_ACTIVE_DISP_MASK 0xffff
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#define SWF10_PIPEB_LFP2 (1<<15)
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#define SWF10_PIPEB_EFP2 (1<<14)
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#define SWF10_PIPEB_TV2 (1<<13)
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#define SWF10_PIPEB_CRT2 (1<<12)
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#define SWF10_PIPEB_LFP (1<<11)
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#define SWF10_PIPEB_EFP (1<<10)
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#define SWF10_PIPEB_TV (1<<9)
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#define SWF10_PIPEB_CRT (1<<8)
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#define SWF10_PIPEA_LFP2 (1<<7)
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#define SWF10_PIPEA_EFP2 (1<<6)
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#define SWF10_PIPEA_TV2 (1<<5)
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#define SWF10_PIPEA_CRT2 (1<<4)
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#define SWF10_PIPEA_LFP (1<<3)
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#define SWF10_PIPEA_EFP (1<<2)
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#define SWF10_PIPEA_TV (1<<1)
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#define SWF10_PIPEA_CRT (1<<0)
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#define SWF11_MEMORY_SIZE_SHIFT 16
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#define SWF11_SV_TEST_EN (1<<15)
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#define SWF11_IS_AGP (1<<14)
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#define SWF11_DISPLAY_HOLDOFF (1<<13)
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#define SWF11_DPMS_REDUCED (1<<12)
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#define SWF11_IS_VBE_MODE (1<<11)
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#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
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#define SWF11_DPMS_MASK 0x07
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#define SWF11_DPMS_OFF (1<<2)
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#define SWF11_DPMS_SUSPEND (1<<1)
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#define SWF11_DPMS_STANDBY (1<<0)
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#define SWF11_DPMS_ON 0
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#define SWF14_GFX_PFIT_EN (1<<31)
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#define SWF14_TEXT_PFIT_EN (1<<30)
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#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
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#define SWF14_POPUP_EN (1<<28)
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#define SWF14_DISPLAY_HOLDOFF (1<<27)
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#define SWF14_DISP_DETECT_EN (1<<26)
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#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
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#define SWF14_DRIVER_STATUS (1<<24)
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#define SWF14_OS_TYPE_WIN9X (1<<23)
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#define SWF14_OS_TYPE_WINNT (1<<22)
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/* 21:19 rsvd */
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#define SWF14_PM_TYPE_MASK 0x00070000
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#define SWF14_PM_ACPI_VIDEO (0x4 << 16)
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#define SWF14_PM_ACPI (0x3 << 16)
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#define SWF14_PM_APM_12 (0x2 << 16)
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#define SWF14_PM_APM_11 (0x1 << 16)
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#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
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/* if GR18 indicates a display switch */
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#define SWF14_DS_PIPEB_LFP2_EN (1<<15)
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#define SWF14_DS_PIPEB_EFP2_EN (1<<14)
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#define SWF14_DS_PIPEB_TV2_EN (1<<13)
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#define SWF14_DS_PIPEB_CRT2_EN (1<<12)
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#define SWF14_DS_PIPEB_LFP_EN (1<<11)
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#define SWF14_DS_PIPEB_EFP_EN (1<<10)
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#define SWF14_DS_PIPEB_TV_EN (1<<9)
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#define SWF14_DS_PIPEB_CRT_EN (1<<8)
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#define SWF14_DS_PIPEA_LFP2_EN (1<<7)
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#define SWF14_DS_PIPEA_EFP2_EN (1<<6)
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#define SWF14_DS_PIPEA_TV2_EN (1<<5)
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#define SWF14_DS_PIPEA_CRT2_EN (1<<4)
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#define SWF14_DS_PIPEA_LFP_EN (1<<3)
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#define SWF14_DS_PIPEA_EFP_EN (1<<2)
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#define SWF14_DS_PIPEA_TV_EN (1<<1)
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#define SWF14_DS_PIPEA_CRT_EN (1<<0)
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/* if GR18 indicates a panel fitting request */
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#define SWF14_PFIT_EN (1<<0) /* 0 means disable */
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/* if GR18 indicates an APM change request */
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#define SWF14_APM_HIBERNATE 0x4
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#define SWF14_APM_SUSPEND 0x3
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#define SWF14_APM_STANDBY 0x1
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#define SWF14_APM_RESTORE 0x0
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#endif /* _I830_BIOS_H_ */
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