xf86-video-intel: src/bios_reader/Makefile.am src/bios_reader/swf_dumper.c src/i830_bios.h
Jesse Barnes
jbarnes at kemper.freedesktop.org
Tue Aug 19 10:45:22 PDT 2008
src/bios_reader/Makefile.am | 8 ++
src/bios_reader/swf_dumper.c | 108 ++++++++++++++++++++++++++++++++++++++
src/i830_bios.h | 121 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 236 insertions(+), 1 deletion(-)
New commits:
commit 7a1cc48276f974d04e1c5ef7c92d98fe5ae9d4fa
Author: Jesse Barnes <jbarnes at virtuousgeek.org>
Date: Tue Aug 19 10:44:04 2008 -0700
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.
diff --git a/src/bios_reader/Makefile.am b/src/bios_reader/Makefile.am
index c4da957..c85081e 100644
--- a/src/bios_reader/Makefile.am
+++ b/src/bios_reader/Makefile.am
@@ -1,6 +1,6 @@
AM_CFLAGS = @WARN_CFLAGS@ @XORG_CFLAGS@ @XMODES_CFLAGS@ @PCIACCESS_CFLAGS@
-noinst_PROGRAMS = bios_reader $(BIOS_DUMPER)
+noinst_PROGRAMS = bios_reader $(BIOS_DUMPER) $(SWF_DUMPER)
if LIBPCIACCESS
BIOS_DUMPER = bios_dumper
@@ -9,4 +9,10 @@ bios_dumper_SOURCES = bios_dumper.c
bios_dumper_LDADD = $(PCIACCESS_LIBS)
+SWF_DUMPER = swf_dumper
+
+swf_dumper_SOURCES = swf_dumper.c
+
+swf_dumper_LDADD = $(PCIACCESS_LIBS)
+
endif
diff --git a/src/bios_reader/swf_dumper.c b/src/bios_reader/swf_dumper.c
new file mode 100644
index 0000000..5d48634
--- /dev/null
+++ b/src/bios_reader/swf_dumper.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright © 2008 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 at anholt.net>
+ * Jesse Barnes <jesse.barnes at intel.com>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <pciaccess.h>
+#include <err.h>
+
+#include "../i810_reg.h"
+#include "../i830_bios.h"
+
+#ifndef DEFFILEMODE
+#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) /* 0666*/
+#endif
+
+static uint32_t read32(void *base, int reg)
+{
+ uint32_t *addr = (uint32_t *)((unsigned char *)(base) + reg);
+
+ return *addr;
+}
+
+static void write32(void *base, int reg, uint32_t val)
+{
+ uint32_t *addr = (uint32_t *)((unsigned char *)(base) + reg);
+ *addr = val;
+}
+
+static void usage(void)
+{
+ fprintf(stderr, "usage: swf_dumper\n");
+ exit(1);
+}
+
+int main(int argc, char **argv)
+{
+ struct pci_device *dev;
+ int err;
+ void *addr;
+
+ if (argc != 1)
+ usage();
+
+ 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");
+
+ err = pci_device_map_range(dev, dev->regions[0].base_addr,
+ dev->regions[0].size,
+ PCI_DEV_MAP_FLAG_WRITABLE, &addr);
+ if (err) {
+ fprintf(stderr, "Couldn't map MMIO space: %s\n", strerror(err));
+ exit(1);
+ }
+
+ printf("SWF14: 0x%08x\n", read32(addr, SWF14));
+
+ pci_system_cleanup();
+
+ return 0;
+}
diff --git a/src/i830_bios.h b/src/i830_bios.h
index 85729f7..6c8bd93 100644
--- a/src/i830_bios.h
+++ b/src/i830_bios.h
@@ -254,4 +254,125 @@ struct vch_bdb_22 {
int i830_bios_init(ScrnInfoPtr pScrn);
+/*
+ * Driver<->VBIOS interaction occurs through scratch bits in
+ * GR18 & SWF*.
+ */
+
+/* GR18 bits are set on display switch and hotkey events */
+#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
+#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
+#define GR18_HK_NONE (0x0<<3)
+#define GR18_HK_LFP_STRETCH (0x1<<3)
+#define GR18_HK_TOGGLE_DISP (0x2<<3)
+#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
+#define GR18_HK_POPUP_DISABLED (0x6<<3)
+#define GR18_HK_POPUP_ENABLED (0x7<<3)
+#define GR18_HK_PFIT (0x8<<3)
+#define GR18_HK_APM_CHANGE (0xa<<3)
+#define GR18_HK_MULTIPLE (0xc<<3)
+#define GR18_USER_INT_EN (1<<2)
+#define GR18_A0000_FLUSH_EN (1<<1)
+#define GR18_SMM_EN (1<<0)
+
+/* Set by driver, cleared by VBIOS */
+#define SWF00_YRES_SHIFT 16
+#define SWF00_XRES_SHIFT 0
+#define SWF00_RES_MASK 0xffff
+
+/* Set by VBIOS at boot time and driver at runtime */
+#define SWF01_TV2_FORMAT_SHIFT 8
+#define SWF01_TV1_FORMAT_SHIFT 0
+#define SWF01_TV_FORMAT_MASK 0xffff
+
+#define SWF10_VBIOS_BLC_I2C_EN (1<<29)
+#define SWF10_GTT_OVERRIDE_EN (1<<28)
+#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
+#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
+#define SWF10_OLD_TOGGLE 0x0
+#define SWF10_TOGGLE_LIST_1 0x1
+#define SWF10_TOGGLE_LIST_2 0x2
+#define SWF10_TOGGLE_LIST_3 0x3
+#define SWF10_TOGGLE_LIST_4 0x4
+#define SWF10_PANNING_EN (1<<23)
+#define SWF10_DRIVER_LOADED (1<<22)
+#define SWF10_EXTENDED_DESKTOP (1<<21)
+#define SWF10_EXCLUSIVE_MODE (1<<20)
+#define SWF10_OVERLAY_EN (1<<19)
+#define SWF10_PLANEB_HOLDOFF (1<<18)
+#define SWF10_PLANEA_HOLDOFF (1<<17)
+#define SWF10_VGA_HOLDOFF (1<<16)
+#define SWF10_ACTIVE_DISP_MASK 0xffff
+#define SWF10_PIPEB_LFP2 (1<<15)
+#define SWF10_PIPEB_EFP2 (1<<14)
+#define SWF10_PIPEB_TV2 (1<<13)
+#define SWF10_PIPEB_CRT2 (1<<12)
+#define SWF10_PIPEB_LFP (1<<11)
+#define SWF10_PIPEB_EFP (1<<10)
+#define SWF10_PIPEB_TV (1<<9)
+#define SWF10_PIPEB_CRT (1<<8)
+#define SWF10_PIPEA_LFP2 (1<<7)
+#define SWF10_PIPEA_EFP2 (1<<6)
+#define SWF10_PIPEA_TV2 (1<<5)
+#define SWF10_PIPEA_CRT2 (1<<4)
+#define SWF10_PIPEA_LFP (1<<3)
+#define SWF10_PIPEA_EFP (1<<2)
+#define SWF10_PIPEA_TV (1<<1)
+#define SWF10_PIPEA_CRT (1<<0)
+
+#define SWF11_MEMORY_SIZE_SHIFT 16
+#define SWF11_SV_TEST_EN (1<<15)
+#define SWF11_IS_AGP (1<<14)
+#define SWF11_DISPLAY_HOLDOFF (1<<13)
+#define SWF11_DPMS_REDUCED (1<<12)
+#define SWF11_IS_VBE_MODE (1<<11)
+#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
+#define SWF11_DPMS_MASK 0x07
+#define SWF11_DPMS_OFF (1<<2)
+#define SWF11_DPMS_SUSPEND (1<<1)
+#define SWF11_DPMS_STANDBY (1<<0)
+#define SWF11_DPMS_ON 0
+
+#define SWF14_GFX_PFIT_EN (1<<31)
+#define SWF14_TEXT_PFIT_EN (1<<30)
+#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
+#define SWF14_POPUP_EN (1<<28)
+#define SWF14_DISPLAY_HOLDOFF (1<<27)
+#define SWF14_DISP_DETECT_EN (1<<26)
+#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
+#define SWF14_DRIVER_STATUS (1<<24)
+#define SWF14_OS_TYPE_WIN9X (1<<23)
+#define SWF14_OS_TYPE_WINNT (1<<22)
+/* 21:19 rsvd */
+#define SWF14_PM_TYPE_MASK 0x00070000
+#define SWF14_PM_ACPI_VIDEO (0x4 << 16)
+#define SWF14_PM_ACPI (0x3 << 16)
+#define SWF14_PM_APM_12 (0x2 << 16)
+#define SWF14_PM_APM_11 (0x1 << 16)
+#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
+ /* if GR18 indicates a display switch */
+#define SWF14_DS_PIPEB_LFP2_EN (1<<15)
+#define SWF14_DS_PIPEB_EFP2_EN (1<<14)
+#define SWF14_DS_PIPEB_TV2_EN (1<<13)
+#define SWF14_DS_PIPEB_CRT2_EN (1<<12)
+#define SWF14_DS_PIPEB_LFP_EN (1<<11)
+#define SWF14_DS_PIPEB_EFP_EN (1<<10)
+#define SWF14_DS_PIPEB_TV_EN (1<<9)
+#define SWF14_DS_PIPEB_CRT_EN (1<<8)
+#define SWF14_DS_PIPEA_LFP2_EN (1<<7)
+#define SWF14_DS_PIPEA_EFP2_EN (1<<6)
+#define SWF14_DS_PIPEA_TV2_EN (1<<5)
+#define SWF14_DS_PIPEA_CRT2_EN (1<<4)
+#define SWF14_DS_PIPEA_LFP_EN (1<<3)
+#define SWF14_DS_PIPEA_EFP_EN (1<<2)
+#define SWF14_DS_PIPEA_TV_EN (1<<1)
+#define SWF14_DS_PIPEA_CRT_EN (1<<0)
+ /* if GR18 indicates a panel fitting request */
+#define SWF14_PFIT_EN (1<<0) /* 0 means disable */
+ /* if GR18 indicates an APM change request */
+#define SWF14_APM_HIBERNATE 0x4
+#define SWF14_APM_SUSPEND 0x3
+#define SWF14_APM_STANDBY 0x1
+#define SWF14_APM_RESTORE 0x0
+
#endif /* _I830_BIOS_H_ */
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