From patchwork Wed Feb 19 16:04:51 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 3682181 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C3E1DBF13A for ; Wed, 19 Feb 2014 16:05:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2DA5B2016C for ; Wed, 19 Feb 2014 16:05:27 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 869292013A for ; Wed, 19 Feb 2014 16:05:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 72726FAE44; Wed, 19 Feb 2014 08:05:11 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-bk0-f50.google.com (mail-bk0-f50.google.com [209.85.214.50]) by gabe.freedesktop.org (Postfix) with ESMTP id C3595F9D57 for ; Wed, 19 Feb 2014 08:05:04 -0800 (PST) Received: by mail-bk0-f50.google.com with SMTP id d7so262064bkh.23 for ; Wed, 19 Feb 2014 08:05:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; bh=PTJ0icqfgil1bWm7+Zqv0SYdhHCKwcUpuOD2BwRccxw=; b=g+09MfjhS6KOFksk8GVBZ1yF5gkLtYn5wIKFhaow6iTQFzQh/3z6lgL2Aer/4DmhpJ Ei+DBUtNJj0vPQquY53704zRvUewxBBUdeHMatrADv+N3Cdaqh0EGQtyigCsdnJxgC2V qf2kI6BvaOXLaa9FDMAxVcmtNh8M7Vt3tPAGAbZWuCyR1tct1/+1wFl+Gruy2Q4HIUf0 60YPHt7j5VnhegC4QDbJyD5e3dcjBNtCX7KYKgaGXBDQ3mcwOulrmiCgJ4ecjaJoecox Ts30fOzBoUPHXwUD5X/cJZ1IE2pLmzlgZvp8xPdDP6UCNgU6Owk54QMvyPCaqxI0jSkz X+MQ== X-Received: by 10.204.61.131 with SMTP id t3mr113077bkh.38.1392825903587; Wed, 19 Feb 2014 08:05:03 -0800 (PST) Received: from localhost (port-25108.pppoe.wtnet.de. [46.59.159.204]) by mx.google.com with ESMTPSA id yv9sm924374bkb.0.2014.02.19.08.05.02 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Feb 2014 08:05:02 -0800 (PST) From: Thierry Reding To: dri-devel@lists.freedesktop.org Subject: [RFC libdrm 4/6] tegra: Add channel, job, pushbuf and fence APIs Date: Wed, 19 Feb 2014 17:04:51 +0100 Message-Id: <1392825893-7380-5-git-send-email-thierry.reding@gmail.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1392825893-7380-1-git-send-email-thierry.reding@gmail.com> References: <1392825893-7380-1-git-send-email-thierry.reding@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Thierry Reding These functions can be used to open channels to engines, manage job submissions, create push buffers to store command streams in and wait until jobs have been completed. Signed-off-by: Thierry Reding --- tegra/Makefile.am | 4 ++ tegra/channel.c | 127 +++++++++++++++++++++++++++++++++++++++++ tegra/fence.c | 72 +++++++++++++++++++++++ tegra/job.c | 167 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ tegra/private.h | 59 +++++++++++++++++++ tegra/pushbuf.c | 137 ++++++++++++++++++++++++++++++++++++++++++++ tegra/tegra.h | 52 +++++++++++++++++ 7 files changed, 618 insertions(+) create mode 100644 tegra/channel.c create mode 100644 tegra/fence.c create mode 100644 tegra/job.c create mode 100644 tegra/pushbuf.c diff --git a/tegra/Makefile.am b/tegra/Makefile.am index 1b83145b120d..c73587e8661e 100644 --- a/tegra/Makefile.am +++ b/tegra/Makefile.am @@ -11,6 +11,10 @@ libdrm_tegra_la_LDFLAGS = -version-number 0:0:0 -no-undefined libdrm_tegra_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ libdrm_tegra_la_SOURCES = \ + channel.c \ + fence.c \ + job.c \ + pushbuf.c \ tegra.c libdrm_tegraincludedir = ${includedir}/libdrm diff --git a/tegra/channel.c b/tegra/channel.c new file mode 100644 index 000000000000..03cce30e98b9 --- /dev/null +++ b/tegra/channel.c @@ -0,0 +1,127 @@ +/* + * Copyright © 2012, 2013 Thierry Reding + * Copyright © 2013 Erik Faye-Lund + * Copyright © 2014 NVIDIA 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include + +#include "private.h" + +static int drm_tegra_channel_setup(struct drm_tegra_channel *channel) +{ + struct drm_tegra *drm = channel->drm; + struct drm_tegra_get_syncpt args; + int err; + + memset(&args, 0, sizeof(args)); + args.context = channel->context; + args.index = 0; + + err = ioctl(drm->fd, DRM_IOCTL_TEGRA_GET_SYNCPT, &args); + if (err < 0) + return -errno; + + channel->syncpt = args.id; + + return 0; +} + +drm_public +int drm_tegra_channel_open(struct drm_tegra_channel **channelp, + struct drm_tegra *drm, + enum drm_tegra_class client) +{ + struct drm_tegra_open_channel args; + struct drm_tegra_channel *channel; + enum host1x_class class; + int err; + + switch (client) { + case DRM_TEGRA_GR2D: + class = HOST1X_CLASS_GR2D; + break; + + case DRM_TEGRA_GR3D: + class = HOST1X_CLASS_GR3D; + break; + + default: + return -EINVAL; + } + + channel = calloc(1, sizeof(*channel)); + if (!channel) + return -ENOMEM; + + channel->drm = drm; + + memset(&args, 0, sizeof(args)); + args.client = class; + + err = ioctl(drm->fd, DRM_IOCTL_TEGRA_OPEN_CHANNEL, &args); + if (err < 0) { + free(channel); + return -errno; + } + + channel->context = args.context; + channel->class = class; + + err = drm_tegra_channel_setup(channel); + if (err < 0) { + free(channel); + return err; + } + + *channelp = channel; + + return 0; +} + +drm_public +int drm_tegra_channel_close(struct drm_tegra_channel *channel) +{ + struct drm_tegra_open_channel args; + struct drm_tegra *drm; + int err; + + if (!channel) + return -EINVAL; + + drm = channel->drm; + + memset(&args, 0, sizeof(args)); + args.context = channel->context; + + err = ioctl(drm->fd, DRM_IOCTL_TEGRA_CLOSE_CHANNEL, &args); + if (err < 0) + return -errno; + + free(channel); + + return 0; +} diff --git a/tegra/fence.c b/tegra/fence.c new file mode 100644 index 000000000000..6af60500c5f1 --- /dev/null +++ b/tegra/fence.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2012, 2013 Thierry Reding + * Copyright © 2013 Erik Faye-Lund + * Copyright © 2014 NVIDIA 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include + +#include "private.h" + +drm_public +int drm_tegra_fence_wait_timeout(struct drm_tegra_fence *fence, + unsigned long timeout) +{ + struct drm_tegra_syncpt_wait args; + int err; + + memset(&args, 0, sizeof(args)); + args.id = fence->syncpt; + args.thresh = fence->value; + args.timeout = timeout; + + while (true) { + err = ioctl(fence->drm->fd, DRM_IOCTL_TEGRA_SYNCPT_WAIT, &args); + if (err < 0) { + if (errno == EINTR) + continue; + + drmMsg("DRM_IOCTL_TEGRA_SYNCPT_WAIT: %d\n", -errno); + return -errno; + } + + break; + } + + return 0; +} + +drm_public +int drm_tegra_fence_wait(struct drm_tegra_fence *fence) +{ + return drm_tegra_fence_wait_timeout(fence, -1); +} + +drm_public +void drm_tegra_fence_free(struct drm_tegra_fence *fence) +{ + free(fence); +} diff --git a/tegra/job.c b/tegra/job.c new file mode 100644 index 000000000000..506164cec95e --- /dev/null +++ b/tegra/job.c @@ -0,0 +1,167 @@ +/* + * Copyright © 2012, 2013 Thierry Reding + * Copyright © 2013 Erik Faye-Lund + * Copyright © 2014 NVIDIA 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include + +#include "private.h" + +int drm_tegra_job_add_reloc(struct drm_tegra_job *job, + const struct drm_tegra_reloc *reloc) +{ + struct drm_tegra_reloc *relocs; + size_t size; + + size = (job->num_relocs + 1) * sizeof(*reloc); + + relocs = realloc(job->relocs, size); + if (!reloc) + return -ENOMEM; + + job->relocs = relocs; + + job->relocs[job->num_relocs++] = *reloc; + + return 0; +} + +drm_public +int drm_tegra_job_new(struct drm_tegra_job **jobp, + struct drm_tegra_channel *channel) +{ + struct drm_tegra_job *job; + + job = calloc(1, sizeof(*job)); + if (!job) + return -ENOMEM; + + DRMINITLISTHEAD(&job->pushbufs); + job->channel = channel; + + *jobp = job; + + return 0; +} + +drm_public +int drm_tegra_job_free(struct drm_tegra_job *job) +{ + struct drm_tegra_pushbuf_private *pushbuf; + + if (!job) + return -EINVAL; + + DRMLISTFOREACHENTRY(pushbuf, &job->pushbufs, list) + drm_tegra_pushbuf_free(&pushbuf->base); + + free(job->relocs); + free(job); + + return 0; +} + +drm_public +int drm_tegra_job_submit(struct drm_tegra_job *job, + struct drm_tegra_fence **fencep) +{ + struct drm_tegra *drm = job->channel->drm; + struct drm_tegra_pushbuf_private *pushbuf; + struct drm_tegra_fence *fence = NULL; + struct drm_tegra_cmdbuf *cmdbufs; + struct drm_tegra_syncpt *syncpts; + struct drm_tegra_submit args; + unsigned int i; + int err; + + if (fencep) { + fence = calloc(1, sizeof(*fence)); + if (!fence) + return -ENOMEM; + } + + cmdbufs = calloc(job->num_pushbufs, sizeof(*cmdbufs)); + if (!cmdbufs) { + free(fence); + return -ENOMEM; + } + + DRMLISTFOREACHENTRY(pushbuf, &job->pushbufs, list) { + struct drm_tegra_cmdbuf *cmdbuf = &cmdbufs[i]; + + cmdbuf->handle = pushbuf->bo->handle; + cmdbuf->offset = pushbuf->offset; + cmdbuf->words = pushbuf->base.ptr - pushbuf->start; + } + + syncpts = calloc(1, sizeof(*syncpts)); + if (!syncpts) { + free(cmdbufs); + free(fence); + return -ENOMEM; + } + + syncpts[0].id = job->syncpt; + syncpts[0].incrs = job->increments; + + memset(&args, 0, sizeof(args)); + args.context = job->channel->context; + args.num_syncpts = 1; + args.num_cmdbufs = job->num_pushbufs; + args.num_relocs = job->num_relocs; + args.num_waitchks = 0; + args.waitchk_mask = 0; + args.timeout = 1000; + + args.syncpts = (uintptr_t)syncpts; + args.cmdbufs = (uintptr_t)cmdbufs; + args.relocs = (uintptr_t)job->relocs; + args.waitchks = 0; + + err = ioctl(drm->fd, DRM_IOCTL_TEGRA_SUBMIT, &args); + if (err < 0) { + free(syncpts); + free(cmdbufs); + free(fence); + return -errno; + } + + if (fence) { + fence->syncpt = job->syncpt; + fence->value = args.fence; + fence->drm = drm; + } + + if (fencep) + *fencep = fence; + + free(syncpts); + free(cmdbufs); + + return 0; +} diff --git a/tegra/private.h b/tegra/private.h index ec69295c2cf8..3a72e9962f53 100644 --- a/tegra/private.h +++ b/tegra/private.h @@ -26,10 +26,13 @@ #define __DRM_TEGRA_PRIVATE_H__ 1 #include +#include #include +#include #include +#include "tegra_drm.h" #include "tegra.h" #if defined(HAVE_VISIBILITY) @@ -40,6 +43,18 @@ # define drm_public #endif +#define container_of(ptr, type, member) ({ \ + const typeof(((type *)0)->member) *__mptr = (ptr); \ + (type *)((char *)__mptr - offsetof(type, member)); \ + }) + +enum host1x_class { + HOST1X_CLASS_HOST1X = 0x01, + HOST1X_CLASS_GR2D = 0x51, + HOST1X_CLASS_GR2D_SB = 0x52, + HOST1X_CLASS_GR3D = 0x60, +}; + struct drm_tegra { bool close; int fd; @@ -55,4 +70,48 @@ struct drm_tegra_bo { void *map; }; +struct drm_tegra_channel { + struct drm_tegra *drm; + enum host1x_class class; + uint64_t context; + uint32_t syncpt; +}; + +struct drm_tegra_fence { + struct drm_tegra *drm; + uint32_t syncpt; + uint32_t value; +}; + +struct drm_tegra_pushbuf_private { + struct drm_tegra_pushbuf base; + struct drm_tegra_job *job; + struct drm_tegra_bo *bo; + unsigned long offset; + drmMMListHead list; + uint32_t *start; +}; + +static inline struct drm_tegra_pushbuf_private * +pushbuf_priv(struct drm_tegra_pushbuf *pb) +{ + return container_of(pb, struct drm_tegra_pushbuf_private, base); +} + +struct drm_tegra_job { + struct drm_tegra_channel *channel; + + unsigned int increments; + uint32_t syncpt; + + struct drm_tegra_reloc *relocs; + unsigned int num_relocs; + + unsigned int num_pushbufs; + drmMMListHead pushbufs; +}; + +int drm_tegra_job_add_reloc(struct drm_tegra_job *job, + const struct drm_tegra_reloc *reloc); + #endif /* __DRM_TEGRA_PRIVATE_H__ */ diff --git a/tegra/pushbuf.c b/tegra/pushbuf.c new file mode 100644 index 000000000000..93f72fd40650 --- /dev/null +++ b/tegra/pushbuf.c @@ -0,0 +1,137 @@ +/* + * Copyright © 2012, 2013 Thierry Reding + * Copyright © 2013 Erik Faye-Lund + * Copyright © 2014 NVIDIA 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include + +#include "private.h" + +#define HOST1X_OPCODE_NONINCR(offset, count) \ + ((0x2 << 28) | (((offset) & 0xfff) << 16) | ((count) & 0xffff)) + +static inline unsigned long +drm_tegra_pushbuf_get_offset(struct drm_tegra_pushbuf *pushbuf) +{ + struct drm_tegra_pushbuf_private *priv = pushbuf_priv(pushbuf); + struct drm_tegra_bo *bo = priv->bo; + + return (unsigned long)pushbuf->ptr - (unsigned long)bo->map; +} + +drm_public +int drm_tegra_pushbuf_new(struct drm_tegra_pushbuf **pushbufp, + struct drm_tegra_job *job, + struct drm_tegra_bo *bo, + unsigned long offset) +{ + struct drm_tegra_pushbuf_private *pushbuf; + void *ptr; + int err; + + pushbuf = calloc(1, sizeof(*pushbuf)); + if (!pushbuf) + return -ENOMEM; + + pushbuf->bo = drm_tegra_bo_get(bo); + DRMINITLISTHEAD(&pushbuf->list); + pushbuf->job = job; + + err = drm_tegra_bo_map(bo, &ptr); + if (err < 0) { + drm_tegra_bo_put(bo); + free(pushbuf); + return err; + } + + pushbuf->start = pushbuf->base.ptr = ptr + offset; + pushbuf->offset = offset; + + DRMLISTADD(&pushbuf->list, &job->pushbufs); + job->num_pushbufs++; + + *pushbufp = &pushbuf->base; + + return 0; +} + +drm_public +int drm_tegra_pushbuf_free(struct drm_tegra_pushbuf *pushbuf) +{ + struct drm_tegra_pushbuf_private *priv = pushbuf_priv(pushbuf); + + if (!pushbuf) + return -EINVAL; + + drm_tegra_bo_unmap(priv->bo); + drm_tegra_bo_put(priv->bo); + DRMLISTDEL(&priv->list); + free(priv); + + return 0; +} + +drm_public +int drm_tegra_pushbuf_relocate(struct drm_tegra_pushbuf *pushbuf, + struct drm_tegra_bo *target, + unsigned long offset, + unsigned long shift) +{ + struct drm_tegra_pushbuf_private *priv = pushbuf_priv(pushbuf); + struct drm_tegra_reloc reloc; + int err; + + memset(&reloc, 0, sizeof(reloc)); + reloc.cmdbuf.handle = priv->bo->handle; + reloc.cmdbuf.offset = drm_tegra_pushbuf_get_offset(pushbuf); + reloc.target.handle = target->handle; + reloc.target.offset = offset; + reloc.shift = shift; + + err = drm_tegra_job_add_reloc(priv->job, &reloc); + if (err < 0) + return err; + + return 0; +} + +drm_public +int drm_tegra_pushbuf_sync(struct drm_tegra_pushbuf *pushbuf, + enum drm_tegra_syncpt_cond cond) +{ + struct drm_tegra_pushbuf_private *priv = pushbuf_priv(pushbuf); + + if (cond >= DRM_TEGRA_SYNCPT_COND_MAX) + return -EINVAL; + + *pushbuf->ptr++ = HOST1X_OPCODE_NONINCR(0x0, 0x1); + *pushbuf->ptr++ = cond << 8 | priv->job->syncpt; + priv->job->increments++; + + return 0; +} diff --git a/tegra/tegra.h b/tegra/tegra.h index 0731cb3bd4dc..ca0ade1bddad 100644 --- a/tegra/tegra.h +++ b/tegra/tegra.h @@ -28,6 +28,13 @@ #include #include +#include + +enum drm_tegra_class { + DRM_TEGRA_GR2D, + DRM_TEGRA_GR3D, +}; + struct drm_tegra_bo; struct drm_tegra; @@ -44,4 +51,49 @@ int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle); int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr); int drm_tegra_bo_unmap(struct drm_tegra_bo *bo); +struct drm_tegra_channel; +struct drm_tegra_job; + +struct drm_tegra_pushbuf { + uint32_t *ptr; +}; + +struct drm_tegra_fence; + +enum drm_tegra_syncpt_cond { + DRM_TEGRA_SYNCPT_COND_IMMEDIATE, + DRM_TEGRA_SYNCPT_COND_OP_DONE, + DRM_TEGRA_SYNCPT_COND_RD_DONE, + DRM_TEGRA_SYNCPT_COND_WR_SAFE, + DRM_TEGRA_SYNCPT_COND_MAX, +}; + +int drm_tegra_channel_open(struct drm_tegra_channel **channelp, + struct drm_tegra *drm, + enum drm_tegra_class client); +int drm_tegra_channel_close(struct drm_tegra_channel *channel); + +int drm_tegra_job_new(struct drm_tegra_job **jobp, + struct drm_tegra_channel *channel); +int drm_tegra_job_free(struct drm_tegra_job *job); +int drm_tegra_job_submit(struct drm_tegra_job *job, + struct drm_tegra_fence **fencep); + +int drm_tegra_pushbuf_new(struct drm_tegra_pushbuf **pushbufp, + struct drm_tegra_job *job, + struct drm_tegra_bo *bo, + unsigned long offset); +int drm_tegra_pushbuf_free(struct drm_tegra_pushbuf *pushbuf); +int drm_tegra_pushbuf_relocate(struct drm_tegra_pushbuf *pushbuf, + struct drm_tegra_bo *target, + unsigned long offset, + unsigned long shift); +int drm_tegra_pushbuf_sync(struct drm_tegra_pushbuf *pushbuf, + enum drm_tegra_syncpt_cond cond); + +int drm_tegra_fence_wait_timeout(struct drm_tegra_fence *fence, + unsigned long timeout); +int drm_tegra_fence_wait(struct drm_tegra_fence *fence); +void drm_tegra_fence_free(struct drm_tegra_fence *fence); + #endif /* __DRM_TEGRA_H__ */