diff options
Diffstat (limited to 'src/qxl_io.c')
| -rw-r--r-- | src/qxl_io.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/qxl_io.c b/src/qxl_io.c new file mode 100644 index 0000000..c592631 --- /dev/null +++ b/src/qxl_io.c @@ -0,0 +1,205 @@ +/* + * 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; +} + |