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/*
* Copyright © 2006 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>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "i830.h"
#include "i830_debug.h"
#define DEFINEREG(reg) \
{ reg, #reg, 0 }
static struct i830SnapshotRec {
int reg;
char *name;
CARD32 regval;
} i830_snapshot[] = {
DEFINEREG(ADPA),
DEFINEREG(LVDS),
DEFINEREG(DVOA),
DEFINEREG(DVOB),
DEFINEREG(DVOC),
DEFINEREG(DVOA_SRCDIM),
DEFINEREG(DVOB_SRCDIM),
DEFINEREG(DVOC_SRCDIM),
DEFINEREG(PP_CONTROL),
DEFINEREG(PP_STATUS),
DEFINEREG(PFIT_CONTROL),
DEFINEREG(PFIT_PGM_RATIOS),
DEFINEREG(PORT_HOTPLUG_EN),
DEFINEREG(PORT_HOTPLUG_STAT),
DEFINEREG(DSPACNTR),
DEFINEREG(DSPASTRIDE),
DEFINEREG(DSPAPOS),
DEFINEREG(DSPASIZE),
DEFINEREG(DSPABASE),
DEFINEREG(PIPEACONF),
DEFINEREG(PIPEASRC),
DEFINEREG(FPA0),
DEFINEREG(FPA1),
DEFINEREG(DPLL_A),
DEFINEREG(HTOTAL_A),
DEFINEREG(HBLANK_A),
DEFINEREG(HSYNC_A),
DEFINEREG(VTOTAL_A),
DEFINEREG(VBLANK_A),
DEFINEREG(VSYNC_A),
DEFINEREG(DSPBCNTR),
DEFINEREG(DSPBSTRIDE),
DEFINEREG(DSPBPOS),
DEFINEREG(DSPBSIZE),
DEFINEREG(DSPBBASE),
DEFINEREG(PIPEBCONF),
DEFINEREG(PIPEBSRC),
DEFINEREG(FPB0),
DEFINEREG(FPB1),
DEFINEREG(DPLL_B),
DEFINEREG(HTOTAL_B),
DEFINEREG(HBLANK_B),
DEFINEREG(HSYNC_B),
DEFINEREG(VTOTAL_B),
DEFINEREG(VBLANK_B),
DEFINEREG(VSYNC_B),
DEFINEREG(VCLK_DIVISOR_VGA0),
DEFINEREG(VCLK_DIVISOR_VGA1),
DEFINEREG(VCLK_POST_DIV),
DEFINEREG(VGACNTRL),
};
#undef DEFINEREG
#define NUM_I830_SNAPSHOTREGS (sizeof(i830_snapshot) / sizeof(i830_snapshot[0]))
void i830TakeRegSnapshot(ScrnInfoPtr pScrn)
{
I830Ptr pI830 = I830PTR(pScrn);
int i;
for (i = 0; i < NUM_I830_SNAPSHOTREGS; i++) {
i830_snapshot[i].regval = INREG(i830_snapshot[i].reg);
}
}
void i830CompareRegsToSnapshot(ScrnInfoPtr pScrn)
{
I830Ptr pI830 = I830PTR(pScrn);
int i;
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Comparing regs before/after X's VT usage\n");
for (i = 0; i < NUM_I830_SNAPSHOTREGS; i++) {
CARD32 val = INREG(i830_snapshot[i].reg);
if (i830_snapshot[i].regval != val) {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"Register 0x%x (%s) changed from 0x%08x to 0x%08x\n",
i830_snapshot[i].reg, i830_snapshot[i].name,
(int)i830_snapshot[i].regval, (int)val);
}
}
}
void i830DumpRegs (ScrnInfoPtr pScrn)
{
I830Ptr pI830 = I830PTR(pScrn);
int i;
for (i = 0; i < NUM_I830_SNAPSHOTREGS; i++) {
xf86DrvMsg (pScrn->scrnIndex, X_WARNING, "%10.10s: 0x%08x\n",
i830_snapshot[i].name, (unsigned int) INREG(i830_snapshot[i].reg));
}
}
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