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-rw-r--r--freedreno/kgsl/kgsl_pipe.c282
1 files changed, 282 insertions, 0 deletions
diff --git a/freedreno/kgsl/kgsl_pipe.c b/freedreno/kgsl/kgsl_pipe.c
new file mode 100644
index 0000000..0a8b658
--- /dev/null
+++ b/freedreno/kgsl/kgsl_pipe.c
@@ -0,0 +1,282 @@
+/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
+
+/*
+ * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
+ *
+ * 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:
+ * Rob Clark <robclark@freedesktop.org>
+ */
+
+#include "kgsl_priv.h"
+
+
+static int kgsl_pipe_get_param(struct fd_pipe *pipe,
+ enum fd_param_id param, uint64_t *value)
+{
+ struct kgsl_pipe *kgsl_pipe = to_kgsl_pipe(pipe);
+ switch (param) {
+ case FD_DEVICE_ID:
+ *value = kgsl_pipe->devinfo.device_id;
+ return 0;
+ case FD_GPU_ID:
+ *value = kgsl_pipe->devinfo.gpu_id;
+ return 0;
+ case FD_GMEM_SIZE:
+ *value = kgsl_pipe->devinfo.gmem_sizebytes;
+ return 0;
+ case FD_CHIP_ID:
+ *value = kgsl_pipe->devinfo.chip_id;
+ return 0;
+ case FD_MAX_FREQ:
+ case FD_TIMESTAMP:
+ case FD_NR_RINGS:
+ /* unsupported on kgsl */
+ return -1;
+ default:
+ ERROR_MSG("invalid param id: %d", param);
+ return -1;
+ }
+}
+
+static int kgsl_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp,
+ uint64_t timeout)
+{
+ struct kgsl_pipe *kgsl_pipe = to_kgsl_pipe(pipe);
+ struct kgsl_device_waittimestamp req = {
+ .timestamp = timestamp,
+ .timeout = 5000,
+ };
+ int ret;
+
+ do {
+ ret = ioctl(kgsl_pipe->fd, IOCTL_KGSL_DEVICE_WAITTIMESTAMP, &req);
+ } while ((ret == -1) && ((errno == EINTR) || (errno == EAGAIN)));
+ if (ret)
+ ERROR_MSG("waittimestamp failed! %d (%s)", ret, strerror(errno));
+ else
+ kgsl_pipe_process_pending(kgsl_pipe, timestamp);
+ return ret;
+}
+
+drm_private int kgsl_pipe_timestamp(struct kgsl_pipe *kgsl_pipe,
+ uint32_t *timestamp)
+{
+ struct kgsl_cmdstream_readtimestamp req = {
+ .type = KGSL_TIMESTAMP_RETIRED
+ };
+ int ret = ioctl(kgsl_pipe->fd, IOCTL_KGSL_CMDSTREAM_READTIMESTAMP, &req);
+ if (ret) {
+ ERROR_MSG("readtimestamp failed! %d (%s)",
+ ret, strerror(errno));
+ return ret;
+ }
+ *timestamp = req.timestamp;
+ return 0;
+}
+
+static void kgsl_pipe_destroy(struct fd_pipe *pipe)
+{
+ struct kgsl_pipe *kgsl_pipe = to_kgsl_pipe(pipe);
+ struct kgsl_drawctxt_destroy req = {
+ .drawctxt_id = kgsl_pipe->drawctxt_id,
+ };
+
+ if (kgsl_pipe->drawctxt_id)
+ ioctl(kgsl_pipe->fd, IOCTL_KGSL_DRAWCTXT_DESTROY, &req);
+
+ if (kgsl_pipe->fd >= 0)
+ close(kgsl_pipe->fd);
+
+ free(kgsl_pipe);
+}
+
+static const struct fd_pipe_funcs funcs = {
+ .ringbuffer_new = kgsl_ringbuffer_new,
+ .get_param = kgsl_pipe_get_param,
+ .wait = kgsl_pipe_wait,
+ .destroy = kgsl_pipe_destroy,
+};
+
+drm_private int is_kgsl_pipe(struct fd_pipe *pipe)
+{
+ return pipe->funcs == &funcs;
+}
+
+/* add buffer to submit list when it is referenced in cmdstream: */
+drm_private void kgsl_pipe_add_submit(struct kgsl_pipe *kgsl_pipe,
+ struct kgsl_bo *kgsl_bo)
+{
+ struct fd_pipe *pipe = &kgsl_pipe->base;
+ struct fd_bo *bo = &kgsl_bo->base;
+ struct list_head *list = &kgsl_bo->list[pipe->id];
+ if (LIST_IS_EMPTY(list)) {
+ fd_bo_ref(bo);
+ } else {
+ list_del(list);
+ }
+ list_addtail(list, &kgsl_pipe->submit_list);
+}
+
+/* prepare buffers on submit list before flush: */
+drm_private void kgsl_pipe_pre_submit(struct kgsl_pipe *kgsl_pipe)
+{
+ struct fd_pipe *pipe = &kgsl_pipe->base;
+ struct kgsl_bo *kgsl_bo = NULL;
+
+ if (!kgsl_pipe->p3d)
+ kgsl_pipe->p3d = fd_pipe_new(pipe->dev, FD_PIPE_3D);
+
+ LIST_FOR_EACH_ENTRY(kgsl_bo, &kgsl_pipe->submit_list, list[pipe->id]) {
+ uint32_t timestamp = kgsl_bo_get_timestamp(kgsl_bo);
+ if (timestamp)
+ fd_pipe_wait(kgsl_pipe->p3d, timestamp);
+ }
+}
+
+/* process buffers on submit list after flush: */
+drm_private void kgsl_pipe_post_submit(struct kgsl_pipe *kgsl_pipe,
+ uint32_t timestamp)
+{
+ struct fd_pipe *pipe = &kgsl_pipe->base;
+ struct kgsl_bo *kgsl_bo = NULL, *tmp;
+
+ LIST_FOR_EACH_ENTRY_SAFE(kgsl_bo, tmp, &kgsl_pipe->submit_list, list[pipe->id]) {
+ struct list_head *list = &kgsl_bo->list[pipe->id];
+ list_del(list);
+ kgsl_bo->timestamp[pipe->id] = timestamp;
+ list_addtail(list, &kgsl_pipe->pending_list);
+
+ kgsl_bo_set_timestamp(kgsl_bo, timestamp);
+ }
+
+ if (!kgsl_pipe_timestamp(kgsl_pipe, &timestamp))
+ kgsl_pipe_process_pending(kgsl_pipe, timestamp);
+}
+
+drm_private void kgsl_pipe_process_pending(struct kgsl_pipe *kgsl_pipe,
+ uint32_t timestamp)
+{
+ struct fd_pipe *pipe = &kgsl_pipe->base;
+ struct kgsl_bo *kgsl_bo = NULL, *tmp;
+
+ LIST_FOR_EACH_ENTRY_SAFE(kgsl_bo, tmp, &kgsl_pipe->pending_list, list[pipe->id]) {
+ struct list_head *list = &kgsl_bo->list[pipe->id];
+ if (kgsl_bo->timestamp[pipe->id] > timestamp)
+ return;
+ list_delinit(list);
+ kgsl_bo->timestamp[pipe->id] = 0;
+ fd_bo_del(&kgsl_bo->base);
+ }
+}
+
+static int getprop(int fd, enum kgsl_property_type type,
+ void *value, int sizebytes)
+{
+ struct kgsl_device_getproperty req = {
+ .type = type,
+ .value = value,
+ .sizebytes = sizebytes,
+ };
+ return ioctl(fd, IOCTL_KGSL_DEVICE_GETPROPERTY, &req);
+}
+
+#define GETPROP(fd, prop, x) do { \
+ if (getprop((fd), KGSL_PROP_##prop, &(x), sizeof(x))) { \
+ ERROR_MSG("failed to get property: " #prop); \
+ goto fail; \
+ } } while (0)
+
+
+drm_private struct fd_pipe * kgsl_pipe_new(struct fd_device *dev,
+ enum fd_pipe_id id, uint32_t prio)
+{
+ static const char *paths[] = {
+ [FD_PIPE_3D] = "/dev/kgsl-3d0",
+ [FD_PIPE_2D] = "/dev/kgsl-2d0",
+ };
+ struct kgsl_drawctxt_create req = {
+ .flags = 0x2000, /* ??? */
+ };
+ struct kgsl_pipe *kgsl_pipe = NULL;
+ struct fd_pipe *pipe = NULL;
+ int ret, fd;
+
+ fd = open(paths[id], O_RDWR);
+ if (fd < 0) {
+ ERROR_MSG("could not open %s device: %d (%s)",
+ paths[id], fd, strerror(errno));
+ goto fail;
+ }
+
+ ret = ioctl(fd, IOCTL_KGSL_DRAWCTXT_CREATE, &req);
+ if (ret) {
+ ERROR_MSG("failed to allocate context: %d (%s)",
+ ret, strerror(errno));
+ goto fail;
+ }
+
+ kgsl_pipe = calloc(1, sizeof(*kgsl_pipe));
+ if (!kgsl_pipe) {
+ ERROR_MSG("allocation failed");
+ goto fail;
+ }
+
+ pipe = &kgsl_pipe->base;
+ pipe->funcs = &funcs;
+
+ kgsl_pipe->fd = fd;
+ kgsl_pipe->drawctxt_id = req.drawctxt_id;
+
+ list_inithead(&kgsl_pipe->submit_list);
+ list_inithead(&kgsl_pipe->pending_list);
+
+ GETPROP(fd, VERSION, kgsl_pipe->version);
+ GETPROP(fd, DEVICE_INFO, kgsl_pipe->devinfo);
+
+ if (kgsl_pipe->devinfo.gpu_id >= 500) {
+ ERROR_MSG("64b unsupported with kgsl");
+ goto fail;
+ }
+
+ INFO_MSG("Pipe Info:");
+ INFO_MSG(" Device: %s", paths[id]);
+ INFO_MSG(" Chip-id: %d.%d.%d.%d",
+ (kgsl_pipe->devinfo.chip_id >> 24) & 0xff,
+ (kgsl_pipe->devinfo.chip_id >> 16) & 0xff,
+ (kgsl_pipe->devinfo.chip_id >> 8) & 0xff,
+ (kgsl_pipe->devinfo.chip_id >> 0) & 0xff);
+ INFO_MSG(" Device-id: %d", kgsl_pipe->devinfo.device_id);
+ INFO_MSG(" GPU-id: %d", kgsl_pipe->devinfo.gpu_id);
+ INFO_MSG(" MMU enabled: %d", kgsl_pipe->devinfo.mmu_enabled);
+ INFO_MSG(" GMEM Base addr: 0x%08x", kgsl_pipe->devinfo.gmem_gpubaseaddr);
+ INFO_MSG(" GMEM size: 0x%08x", kgsl_pipe->devinfo.gmem_sizebytes);
+ INFO_MSG(" Driver version: %d.%d",
+ kgsl_pipe->version.drv_major, kgsl_pipe->version.drv_minor);
+ INFO_MSG(" Device version: %d.%d",
+ kgsl_pipe->version.dev_major, kgsl_pipe->version.dev_minor);
+
+ return pipe;
+fail:
+ if (pipe)
+ fd_pipe_del(pipe);
+ return NULL;
+}