mirror of https://gitlab.freedesktop.org/mesa/mesa
148 lines
4.3 KiB
C
148 lines
4.3 KiB
C
/*
|
|
* Copyright © 2019 Red Hat
|
|
*
|
|
* 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.
|
|
*/
|
|
#include "macros.h"
|
|
#include <wayland-client.h>
|
|
#include "wayland-drm-client-protocol.h"
|
|
#include "device_select.h"
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <xf86drm.h>
|
|
struct device_select_wayland_info {
|
|
struct wl_drm *wl_drm;
|
|
drmDevicePtr dev_info;
|
|
bool info_is_set;
|
|
};
|
|
|
|
static void
|
|
device_select_drm_handle_device(void *data, struct wl_drm *drm, const char *device)
|
|
{
|
|
struct device_select_wayland_info *info = data;
|
|
|
|
int fd = open(device, O_RDWR | O_CLOEXEC);
|
|
if (fd == -1)
|
|
return;
|
|
|
|
int ret = drmGetDevice2(fd, 0, &info->dev_info);
|
|
if (ret >= 0)
|
|
info->info_is_set = true;
|
|
close(fd);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
device_select_drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
|
|
{
|
|
|
|
}
|
|
|
|
static void
|
|
device_select_drm_handle_authenticated(void *data, struct wl_drm *drm)
|
|
{
|
|
|
|
}
|
|
|
|
|
|
static void
|
|
device_select_drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
|
|
{
|
|
|
|
}
|
|
|
|
|
|
static const struct wl_drm_listener ds_drm_listener = {
|
|
.device = device_select_drm_handle_device,
|
|
.format = device_select_drm_handle_format,
|
|
.authenticated = device_select_drm_handle_authenticated,
|
|
.capabilities = device_select_drm_handle_capabilities
|
|
};
|
|
|
|
static void
|
|
device_select_registry_global(void *data, struct wl_registry *registry, uint32_t name,
|
|
const char *interface, uint32_t version)
|
|
{
|
|
struct device_select_wayland_info *info = data;
|
|
if (strcmp(interface, "wl_drm") == 0) {
|
|
info->wl_drm = wl_registry_bind(registry, name, &wl_drm_interface, MIN2(version, 2));
|
|
wl_drm_add_listener(info->wl_drm, &ds_drm_listener, data);
|
|
}
|
|
}
|
|
|
|
static void
|
|
device_select_registry_global_remove_cb(void *data, struct wl_registry *registry,
|
|
uint32_t name)
|
|
{
|
|
|
|
}
|
|
|
|
int device_select_find_wayland_pci_default(struct device_pci_info *devices, uint32_t device_count)
|
|
{
|
|
struct wl_display *display;
|
|
struct wl_registry *registry = NULL;
|
|
unsigned default_idx = -1;
|
|
struct device_select_wayland_info info = {};
|
|
|
|
display = wl_display_connect(NULL);
|
|
if (!display)
|
|
goto out;
|
|
|
|
registry = wl_display_get_registry(display);
|
|
if (!registry) {
|
|
wl_display_disconnect(display);
|
|
goto out;
|
|
}
|
|
|
|
static const struct wl_registry_listener registry_listener =
|
|
{ device_select_registry_global, device_select_registry_global_remove_cb };
|
|
|
|
wl_registry_add_listener(registry, ®istry_listener, &info);
|
|
wl_display_dispatch(display);
|
|
wl_display_roundtrip(display);
|
|
|
|
|
|
if (info.info_is_set) {
|
|
for (unsigned i = 0; i < device_count; i++) {
|
|
if (devices[i].has_bus_info) {
|
|
if (info.dev_info->businfo.pci->domain == devices[i].bus_info.domain &&
|
|
info.dev_info->businfo.pci->bus == devices[i].bus_info.bus &&
|
|
info.dev_info->businfo.pci->dev == devices[i].bus_info.dev &&
|
|
info.dev_info->businfo.pci->func == devices[i].bus_info.func)
|
|
default_idx = i;
|
|
} else {
|
|
if (info.dev_info->deviceinfo.pci->vendor_id == devices[i].dev_info.vendor_id &&
|
|
info.dev_info->deviceinfo.pci->device_id == devices[i].dev_info.device_id)
|
|
default_idx = i;
|
|
}
|
|
if (default_idx != -1)
|
|
break;
|
|
}
|
|
}
|
|
|
|
wl_drm_destroy(info.wl_drm);
|
|
wl_registry_destroy(registry);
|
|
wl_display_disconnect(display);
|
|
out:
|
|
return default_idx;
|
|
}
|