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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"
static void
i830_crt_dpms(ScrnInfoPtr pScrn, I830OutputPtr output, int mode)
{
I830Ptr pI830 = I830PTR(pScrn);
CARD32 temp;
temp = INREG(ADPA);
temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
temp &= ~ADPA_DAC_ENABLE;
switch(mode) {
case DPMSModeOn:
temp |= ADPA_DAC_ENABLE;
break;
case DPMSModeStandby:
temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
break;
case DPMSModeSuspend:
temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
break;
case DPMSModeOff:
temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
break;
}
OUTREG(ADPA, temp);
}
static void
i830_crt_save(ScrnInfoPtr pScrn, I830OutputPtr output)
{
I830Ptr pI830 = I830PTR(pScrn);
pI830->saveADPA = INREG(ADPA);
}
static void
i830_crt_restore(ScrnInfoPtr pScrn, I830OutputPtr output)
{
I830Ptr pI830 = I830PTR(pScrn);
OUTREG(ADPA, pI830->saveADPA);
}
static int
i830_crt_mode_valid(ScrnInfoPtr pScrn, I830OutputPtr output,
DisplayModePtr pMode)
{
return MODE_OK;
}
static void
i830_crt_pre_set_mode(ScrnInfoPtr pScrn, I830OutputPtr output,
DisplayModePtr pMode)
{
}
static void
i830_crt_post_set_mode(ScrnInfoPtr pScrn, I830OutputPtr output,
DisplayModePtr pMode)
{
I830Ptr pI830 = I830PTR(pScrn);
CARD32 adpa;
adpa = ADPA_DAC_ENABLE;
if (pMode->Flags & V_PHSYNC)
adpa |= ADPA_HSYNC_ACTIVE_HIGH;
if (pMode->Flags & V_PVSYNC)
adpa |= ADPA_VSYNC_ACTIVE_HIGH;
if (output->pipe == 0)
adpa |= ADPA_PIPE_A_SELECT;
else
adpa |= ADPA_PIPE_B_SELECT;
OUTREG(ADPA, adpa);
}
void
i830_crt_init(ScrnInfoPtr pScrn)
{
I830Ptr pI830 = I830PTR(pScrn);
pI830->output[pI830->num_outputs].type = I830_OUTPUT_ANALOG;
pI830->output[pI830->num_outputs].dpms = i830_crt_dpms;
pI830->output[pI830->num_outputs].save = i830_crt_save;
pI830->output[pI830->num_outputs].restore = i830_crt_restore;
pI830->output[pI830->num_outputs].mode_valid = i830_crt_mode_valid;
pI830->output[pI830->num_outputs].pre_set_mode = i830_crt_pre_set_mode;
pI830->output[pI830->num_outputs].post_set_mode = i830_crt_post_set_mode;
/* Set up the DDC bus. */
I830I2CInit(pScrn, &pI830->output[pI830->num_outputs].pDDCBus,
GPIOA, "CRTDDC_A");
pI830->num_outputs++;
}
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