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/*
* Copyright 2008 Red Hat, Inc.
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS 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.
*/
/* all the IO routines for QXL userspace code */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <unistd.h>
#include <errno.h>
#include <time.h>
#include "qxl.h"
#ifndef XSPICE
static void
qxl_wait_for_io_command (qxl_screen_t *qxl)
{
struct QXLRam *ram_header;
ram_header = (void *)((unsigned long)qxl->ram + qxl->rom->ram_header_offset);
while (!(ram_header->int_pending & QXL_INTERRUPT_IO_CMD))
usleep (1);
ram_header->int_pending &= ~QXL_INTERRUPT_IO_CMD;
}
#if 0
static void
qxl_wait_for_display_interrupt (qxl_screen_t *qxl)
{
struct QXLRam *ram_header;
ram_header = (void *)((unsigned long)qxl->ram + qxl->rom->ram_header_offset);
while (!(ram_header->int_pending & QXL_INTERRUPT_DISPLAY))
usleep (1);
ram_header->int_pending &= ~QXL_INTERRUPT_DISPLAY;
}
#endif
#endif
void
qxl_update_area (qxl_screen_t *qxl)
{
#ifndef XSPICE
if (qxl->pci->revision >= 3)
{
ioport_write (qxl, QXL_IO_UPDATE_AREA_ASYNC, 0);
qxl_wait_for_io_command (qxl);
}
else
{
ioport_write (qxl, QXL_IO_UPDATE_AREA, 0);
}
#else
ioport_write (qxl, QXL_IO_UPDATE_AREA, 0);
#endif
}
void
qxl_io_memslot_add (qxl_screen_t *qxl, uint8_t id)
{
#ifndef XSPICE
if (qxl->pci->revision >= 3)
{
ioport_write (qxl, QXL_IO_MEMSLOT_ADD_ASYNC, id);
qxl_wait_for_io_command (qxl);
}
else
{
ioport_write (qxl, QXL_IO_MEMSLOT_ADD, id);
}
#else
ioport_write (qxl, QXL_IO_MEMSLOT_ADD, id);
#endif
}
void
qxl_io_create_primary (qxl_screen_t *qxl)
{
#ifndef XSPICE
if (qxl->pci->revision >= 3)
{
ioport_write (qxl, QXL_IO_CREATE_PRIMARY_ASYNC, 0);
qxl_wait_for_io_command (qxl);
}
else
{
ioport_write (qxl, QXL_IO_CREATE_PRIMARY, 0);
}
#else
ioport_write (qxl, QXL_IO_CREATE_PRIMARY, 0);
#endif
qxl->device_primary = QXL_DEVICE_PRIMARY_CREATED;
}
void
qxl_io_destroy_primary (qxl_screen_t *qxl)
{
#ifndef XSPICE
if (qxl->pci->revision >= 3)
{
ioport_write (qxl, QXL_IO_DESTROY_PRIMARY_ASYNC, 0);
qxl_wait_for_io_command (qxl);
}
else
{
ioport_write (qxl, QXL_IO_DESTROY_PRIMARY, 0);
}
#else
ioport_write (qxl, QXL_IO_DESTROY_PRIMARY, 0);
#endif
qxl->device_primary = QXL_DEVICE_PRIMARY_NONE;
}
void
qxl_io_notify_oom (qxl_screen_t *qxl)
{
ioport_write (qxl, QXL_IO_NOTIFY_OOM, 0);
}
void
qxl_io_flush_surfaces (qxl_screen_t *qxl)
{
// FIXME: write individual update_area for revision < V10
#ifndef XSPICE
ioport_write (qxl, QXL_IO_FLUSH_SURFACES_ASYNC, 0);
qxl_wait_for_io_command (qxl);
#else
ioport_write (qxl, QXL_IO_FLUSH_SURFACES_ASYNC, 0);
#endif
}
#ifdef QXLDRV_RESIZABLE_SURFACE0
void
qxl_io_flush_release (qxl_screen_t *qxl)
{
#ifndef XSPICE
int sum = 0;
sum += qxl_garbage_collect (qxl);
ioport_write (qxl, QXL_IO_FLUSH_RELEASE, 0);
sum += qxl_garbage_collect (qxl);
ErrorF ("%s: collected %d\n", __func__, sum);
#else
#endif
}
#endif
void
qxl_io_monitors_config_async (qxl_screen_t *qxl)
{
#ifndef XSPICE
if (qxl->pci->revision < 4)
return;
ioport_write (qxl, QXL_IO_MONITORS_CONFIG_ASYNC, 0);
qxl_wait_for_io_command (qxl);
#else
fprintf (stderr, "UNIMPLEMENTED!\n");
#endif
}
void
qxl_io_destroy_all_surfaces (qxl_screen_t *qxl)
{
#ifndef XSPICE
if (qxl->pci->revision >= 3)
{
ioport_write (qxl, QXL_IO_DESTROY_ALL_SURFACES_ASYNC, 0);
qxl_wait_for_io_command (qxl);
}
else
{
ioport_write (qxl, QXL_IO_DESTROY_ALL_SURFACES, 0);
}
#else
ErrorF ("Xspice: error: UNIMPLEMENTED qxl_io_destroy_all_surfaces\n");
#endif
qxl->device_primary = QXL_DEVICE_PRIMARY_NONE;
}
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