gpu: host1x: Add channel support
Add support for host1x client modules, and host1x channels to submit work to the clients. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
This commit is contained in:
Terje Bergstrom
Thierry Reding
parent
7ede0b0bf3
commit
6579324a41
25 changed files with 2913 additions and 1 deletions
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@ -8,3 +8,15 @@ config TEGRA_HOST1X
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Tegra's graphics- and multimedia-related modules. The modules served
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by host1x are referred to as clients. host1x includes some other
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functionality, such as synchronization.
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if TEGRA_HOST1X
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config TEGRA_HOST1X_FIREWALL
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bool "Enable HOST1X security firewall"
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default y
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help
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Say yes if kernel should protect command streams from tampering.
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If unsure, choose Y.
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endif
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@ -4,6 +4,9 @@ host1x-y = \
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syncpt.o \
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dev.o \
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intr.o \
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cdma.o \
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channel.o \
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job.o \
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hw/host1x01.o
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obj-$(CONFIG_TEGRA_HOST1X) += host1x.o
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487
drivers/gpu/host1x/cdma.c
Normal file
487
drivers/gpu/host1x/cdma.c
Normal file
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@ -0,0 +1,487 @@
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/*
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* Tegra host1x Command DMA
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*
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* Copyright (c) 2010-2013, NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <asm/cacheflush.h>
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/kfifo.h>
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#include <linux/slab.h>
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#include <trace/events/host1x.h>
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#include "cdma.h"
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#include "channel.h"
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#include "dev.h"
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#include "debug.h"
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#include "host1x_bo.h"
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#include "job.h"
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/*
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* push_buffer
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*
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* The push buffer is a circular array of words to be fetched by command DMA.
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* Note that it works slightly differently to the sync queue; fence == pos
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* means that the push buffer is full, not empty.
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*/
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#define HOST1X_PUSHBUFFER_SLOTS 512
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/*
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* Clean up push buffer resources
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*/
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static void host1x_pushbuffer_destroy(struct push_buffer *pb)
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{
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struct host1x_cdma *cdma = pb_to_cdma(pb);
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struct host1x *host1x = cdma_to_host1x(cdma);
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if (pb->phys != 0)
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dma_free_writecombine(host1x->dev, pb->size_bytes + 4,
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pb->mapped, pb->phys);
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pb->mapped = NULL;
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pb->phys = 0;
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}
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/*
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* Init push buffer resources
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*/
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static int host1x_pushbuffer_init(struct push_buffer *pb)
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{
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struct host1x_cdma *cdma = pb_to_cdma(pb);
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struct host1x *host1x = cdma_to_host1x(cdma);
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pb->mapped = NULL;
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pb->phys = 0;
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pb->size_bytes = HOST1X_PUSHBUFFER_SLOTS * 8;
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/* initialize buffer pointers */
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pb->fence = pb->size_bytes - 8;
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pb->pos = 0;
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/* allocate and map pushbuffer memory */
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pb->mapped = dma_alloc_writecombine(host1x->dev, pb->size_bytes + 4,
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&pb->phys, GFP_KERNEL);
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if (!pb->mapped)
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goto fail;
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host1x_hw_pushbuffer_init(host1x, pb);
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return 0;
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fail:
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host1x_pushbuffer_destroy(pb);
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return -ENOMEM;
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}
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/*
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* Push two words to the push buffer
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* Caller must ensure push buffer is not full
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*/
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static void host1x_pushbuffer_push(struct push_buffer *pb, u32 op1, u32 op2)
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{
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u32 pos = pb->pos;
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u32 *p = (u32 *)((u32)pb->mapped + pos);
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WARN_ON(pos == pb->fence);
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*(p++) = op1;
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*(p++) = op2;
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pb->pos = (pos + 8) & (pb->size_bytes - 1);
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}
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/*
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* Pop a number of two word slots from the push buffer
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* Caller must ensure push buffer is not empty
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*/
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static void host1x_pushbuffer_pop(struct push_buffer *pb, unsigned int slots)
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{
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/* Advance the next write position */
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pb->fence = (pb->fence + slots * 8) & (pb->size_bytes - 1);
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}
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/*
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* Return the number of two word slots free in the push buffer
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*/
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static u32 host1x_pushbuffer_space(struct push_buffer *pb)
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{
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return ((pb->fence - pb->pos) & (pb->size_bytes - 1)) / 8;
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}
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/*
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* Sleep (if necessary) until the requested event happens
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* - CDMA_EVENT_SYNC_QUEUE_EMPTY : sync queue is completely empty.
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* - Returns 1
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* - CDMA_EVENT_PUSH_BUFFER_SPACE : there is space in the push buffer
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* - Return the amount of space (> 0)
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* Must be called with the cdma lock held.
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*/
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unsigned int host1x_cdma_wait_locked(struct host1x_cdma *cdma,
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enum cdma_event event)
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{
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for (;;) {
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unsigned int space;
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if (event == CDMA_EVENT_SYNC_QUEUE_EMPTY)
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space = list_empty(&cdma->sync_queue) ? 1 : 0;
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else if (event == CDMA_EVENT_PUSH_BUFFER_SPACE) {
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struct push_buffer *pb = &cdma->push_buffer;
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space = host1x_pushbuffer_space(pb);
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} else {
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WARN_ON(1);
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return -EINVAL;
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}
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if (space)
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return space;
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trace_host1x_wait_cdma(dev_name(cdma_to_channel(cdma)->dev),
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event);
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/* If somebody has managed to already start waiting, yield */
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if (cdma->event != CDMA_EVENT_NONE) {
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mutex_unlock(&cdma->lock);
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schedule();
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mutex_lock(&cdma->lock);
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continue;
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}
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cdma->event = event;
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mutex_unlock(&cdma->lock);
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down(&cdma->sem);
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mutex_lock(&cdma->lock);
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}
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return 0;
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}
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/*
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* Start timer that tracks the time spent by the job.
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* Must be called with the cdma lock held.
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*/
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static void cdma_start_timer_locked(struct host1x_cdma *cdma,
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struct host1x_job *job)
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{
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struct host1x *host = cdma_to_host1x(cdma);
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if (cdma->timeout.client) {
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/* timer already started */
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return;
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}
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cdma->timeout.client = job->client;
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cdma->timeout.syncpt = host1x_syncpt_get(host, job->syncpt_id);
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cdma->timeout.syncpt_val = job->syncpt_end;
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cdma->timeout.start_ktime = ktime_get();
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schedule_delayed_work(&cdma->timeout.wq,
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msecs_to_jiffies(job->timeout));
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}
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/*
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* Stop timer when a buffer submission completes.
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* Must be called with the cdma lock held.
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*/
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static void stop_cdma_timer_locked(struct host1x_cdma *cdma)
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{
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cancel_delayed_work(&cdma->timeout.wq);
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cdma->timeout.client = 0;
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}
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/*
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* For all sync queue entries that have already finished according to the
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* current sync point registers:
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* - unpin & unref their mems
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* - pop their push buffer slots
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* - remove them from the sync queue
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* This is normally called from the host code's worker thread, but can be
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* called manually if necessary.
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* Must be called with the cdma lock held.
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*/
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static void update_cdma_locked(struct host1x_cdma *cdma)
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{
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bool signal = false;
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struct host1x *host1x = cdma_to_host1x(cdma);
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struct host1x_job *job, *n;
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/* If CDMA is stopped, queue is cleared and we can return */
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if (!cdma->running)
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return;
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/*
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* Walk the sync queue, reading the sync point registers as necessary,
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* to consume as many sync queue entries as possible without blocking
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*/
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list_for_each_entry_safe(job, n, &cdma->sync_queue, list) {
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struct host1x_syncpt *sp =
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host1x_syncpt_get(host1x, job->syncpt_id);
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/* Check whether this syncpt has completed, and bail if not */
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if (!host1x_syncpt_is_expired(sp, job->syncpt_end)) {
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/* Start timer on next pending syncpt */
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if (job->timeout)
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cdma_start_timer_locked(cdma, job);
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break;
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}
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/* Cancel timeout, when a buffer completes */
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if (cdma->timeout.client)
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stop_cdma_timer_locked(cdma);
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/* Unpin the memory */
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host1x_job_unpin(job);
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/* Pop push buffer slots */
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if (job->num_slots) {
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struct push_buffer *pb = &cdma->push_buffer;
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host1x_pushbuffer_pop(pb, job->num_slots);
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if (cdma->event == CDMA_EVENT_PUSH_BUFFER_SPACE)
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signal = true;
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}
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list_del(&job->list);
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host1x_job_put(job);
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}
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if (cdma->event == CDMA_EVENT_SYNC_QUEUE_EMPTY &&
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list_empty(&cdma->sync_queue))
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signal = true;
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if (signal) {
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cdma->event = CDMA_EVENT_NONE;
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up(&cdma->sem);
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}
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}
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void host1x_cdma_update_sync_queue(struct host1x_cdma *cdma,
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struct device *dev)
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{
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u32 restart_addr;
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u32 syncpt_incrs;
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struct host1x_job *job = NULL;
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u32 syncpt_val;
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struct host1x *host1x = cdma_to_host1x(cdma);
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syncpt_val = host1x_syncpt_load(cdma->timeout.syncpt);
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dev_dbg(dev, "%s: starting cleanup (thresh %d)\n",
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__func__, syncpt_val);
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/*
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* Move the sync_queue read pointer to the first entry that hasn't
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* completed based on the current HW syncpt value. It's likely there
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* won't be any (i.e. we're still at the head), but covers the case
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* where a syncpt incr happens just prior/during the teardown.
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*/
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dev_dbg(dev, "%s: skip completed buffers still in sync_queue\n",
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__func__);
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list_for_each_entry(job, &cdma->sync_queue, list) {
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if (syncpt_val < job->syncpt_end)
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break;
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host1x_job_dump(dev, job);
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}
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/*
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* Walk the sync_queue, first incrementing with the CPU syncpts that
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* are partially executed (the first buffer) or fully skipped while
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* still in the current context (slots are also NOP-ed).
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*
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* At the point contexts are interleaved, syncpt increments must be
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* done inline with the pushbuffer from a GATHER buffer to maintain
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* the order (slots are modified to be a GATHER of syncpt incrs).
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*
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* Note: save in restart_addr the location where the timed out buffer
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* started in the PB, so we can start the refetch from there (with the
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* modified NOP-ed PB slots). This lets things appear to have completed
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* properly for this buffer and resources are freed.
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*/
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dev_dbg(dev, "%s: perform CPU incr on pending same ctx buffers\n",
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__func__);
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if (!list_empty(&cdma->sync_queue))
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restart_addr = job->first_get;
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else
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restart_addr = cdma->last_pos;
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/* do CPU increments as long as this context continues */
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list_for_each_entry_from(job, &cdma->sync_queue, list) {
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/* different context, gets us out of this loop */
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if (job->client != cdma->timeout.client)
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break;
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/* won't need a timeout when replayed */
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job->timeout = 0;
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syncpt_incrs = job->syncpt_end - syncpt_val;
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dev_dbg(dev, "%s: CPU incr (%d)\n", __func__, syncpt_incrs);
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host1x_job_dump(dev, job);
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/* safe to use CPU to incr syncpts */
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host1x_hw_cdma_timeout_cpu_incr(host1x, cdma, job->first_get,
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syncpt_incrs, job->syncpt_end,
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job->num_slots);
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syncpt_val += syncpt_incrs;
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}
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/* The following sumbits from the same client may be dependent on the
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* failed submit and therefore they may fail. Force a small timeout
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* to make the queue cleanup faster */
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list_for_each_entry_from(job, &cdma->sync_queue, list)
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if (job->client == cdma->timeout.client)
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job->timeout = min_t(unsigned int, job->timeout, 500);
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dev_dbg(dev, "%s: finished sync_queue modification\n", __func__);
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/* roll back DMAGET and start up channel again */
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host1x_hw_cdma_resume(host1x, cdma, restart_addr);
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}
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/*
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* Create a cdma
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*/
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int host1x_cdma_init(struct host1x_cdma *cdma)
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{
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int err;
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mutex_init(&cdma->lock);
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sema_init(&cdma->sem, 0);
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INIT_LIST_HEAD(&cdma->sync_queue);
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cdma->event = CDMA_EVENT_NONE;
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cdma->running = false;
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cdma->torndown = false;
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err = host1x_pushbuffer_init(&cdma->push_buffer);
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if (err)
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return err;
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return 0;
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}
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/*
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* Destroy a cdma
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*/
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int host1x_cdma_deinit(struct host1x_cdma *cdma)
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{
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struct push_buffer *pb = &cdma->push_buffer;
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struct host1x *host1x = cdma_to_host1x(cdma);
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if (cdma->running) {
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pr_warn("%s: CDMA still running\n", __func__);
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return -EBUSY;
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}
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host1x_pushbuffer_destroy(pb);
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host1x_hw_cdma_timeout_destroy(host1x, cdma);
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return 0;
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}
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/*
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* Begin a cdma submit
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*/
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int host1x_cdma_begin(struct host1x_cdma *cdma, struct host1x_job *job)
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{
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struct host1x *host1x = cdma_to_host1x(cdma);
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mutex_lock(&cdma->lock);
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if (job->timeout) {
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/* init state on first submit with timeout value */
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if (!cdma->timeout.initialized) {
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int err;
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err = host1x_hw_cdma_timeout_init(host1x, cdma,
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job->syncpt_id);
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if (err) {
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mutex_unlock(&cdma->lock);
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return err;
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}
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}
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}
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if (!cdma->running)
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host1x_hw_cdma_start(host1x, cdma);
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cdma->slots_free = 0;
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cdma->slots_used = 0;
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cdma->first_get = cdma->push_buffer.pos;
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trace_host1x_cdma_begin(dev_name(job->channel->dev));
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return 0;
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}
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/*
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* Push two words into a push buffer slot
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* Blocks as necessary if the push buffer is full.
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*/
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void host1x_cdma_push(struct host1x_cdma *cdma, u32 op1, u32 op2)
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{
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struct host1x *host1x = cdma_to_host1x(cdma);
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struct push_buffer *pb = &cdma->push_buffer;
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u32 slots_free = cdma->slots_free;
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if (slots_free == 0) {
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host1x_hw_cdma_flush(host1x, cdma);
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slots_free = host1x_cdma_wait_locked(cdma,
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CDMA_EVENT_PUSH_BUFFER_SPACE);
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}
|
||||
cdma->slots_free = slots_free - 1;
|
||||
cdma->slots_used++;
|
||||
host1x_pushbuffer_push(pb, op1, op2);
|
||||
}
|
||||
|
||||
/*
|
||||
* End a cdma submit
|
||||
* Kick off DMA, add job to the sync queue, and a number of slots to be freed
|
||||
* from the pushbuffer. The handles for a submit must all be pinned at the same
|
||||
* time, but they can be unpinned in smaller chunks.
|
||||
*/
|
||||
void host1x_cdma_end(struct host1x_cdma *cdma,
|
||||
struct host1x_job *job)
|
||||
{
|
||||
struct host1x *host1x = cdma_to_host1x(cdma);
|
||||
bool idle = list_empty(&cdma->sync_queue);
|
||||
|
||||
host1x_hw_cdma_flush(host1x, cdma);
|
||||
|
||||
job->first_get = cdma->first_get;
|
||||
job->num_slots = cdma->slots_used;
|
||||
host1x_job_get(job);
|
||||
list_add_tail(&job->list, &cdma->sync_queue);
|
||||
|
||||
/* start timer on idle -> active transitions */
|
||||
if (job->timeout && idle)
|
||||
cdma_start_timer_locked(cdma, job);
|
||||
|
||||
trace_host1x_cdma_end(dev_name(job->channel->dev));
|
||||
mutex_unlock(&cdma->lock);
|
||||
}
|
||||
|
||||
/*
|
||||
* Update cdma state according to current sync point values
|
||||
*/
|
||||
void host1x_cdma_update(struct host1x_cdma *cdma)
|
||||
{
|
||||
mutex_lock(&cdma->lock);
|
||||
update_cdma_locked(cdma);
|
||||
mutex_unlock(&cdma->lock);
|
||||
}
|
||||
100
drivers/gpu/host1x/cdma.h
Normal file
100
drivers/gpu/host1x/cdma.h
Normal file
|
|
@ -0,0 +1,100 @@
|
|||
/*
|
||||
* Tegra host1x Command DMA
|
||||
*
|
||||
* Copyright (c) 2010-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef __HOST1X_CDMA_H
|
||||
#define __HOST1X_CDMA_H
|
||||
|
||||
#include <linux/sched.h>
|
||||
#include <linux/semaphore.h>
|
||||
#include <linux/list.h>
|
||||
|
||||
struct host1x_syncpt;
|
||||
struct host1x_userctx_timeout;
|
||||
struct host1x_job;
|
||||
|
||||
/*
|
||||
* cdma
|
||||
*
|
||||
* This is in charge of a host command DMA channel.
|
||||
* Sends ops to a push buffer, and takes responsibility for unpinning
|
||||
* (& possibly freeing) of memory after those ops have completed.
|
||||
* Producer:
|
||||
* begin
|
||||
* push - send ops to the push buffer
|
||||
* end - start command DMA and enqueue handles to be unpinned
|
||||
* Consumer:
|
||||
* update - call to update sync queue and push buffer, unpin memory
|
||||
*/
|
||||
|
||||
struct push_buffer {
|
||||
u32 *mapped; /* mapped pushbuffer memory */
|
||||
dma_addr_t phys; /* physical address of pushbuffer */
|
||||
u32 fence; /* index we've written */
|
||||
u32 pos; /* index to write to */
|
||||
u32 size_bytes;
|
||||
};
|
||||
|
||||
struct buffer_timeout {
|
||||
struct delayed_work wq; /* work queue */
|
||||
bool initialized; /* timer one-time setup flag */
|
||||
struct host1x_syncpt *syncpt; /* buffer completion syncpt */
|
||||
u32 syncpt_val; /* syncpt value when completed */
|
||||
ktime_t start_ktime; /* starting time */
|
||||
/* context timeout information */
|
||||
int client;
|
||||
};
|
||||
|
||||
enum cdma_event {
|
||||
CDMA_EVENT_NONE, /* not waiting for any event */
|
||||
CDMA_EVENT_SYNC_QUEUE_EMPTY, /* wait for empty sync queue */
|
||||
CDMA_EVENT_PUSH_BUFFER_SPACE /* wait for space in push buffer */
|
||||
};
|
||||
|
||||
struct host1x_cdma {
|
||||
struct mutex lock; /* controls access to shared state */
|
||||
struct semaphore sem; /* signalled when event occurs */
|
||||
enum cdma_event event; /* event that sem is waiting for */
|
||||
unsigned int slots_used; /* pb slots used in current submit */
|
||||
unsigned int slots_free; /* pb slots free in current submit */
|
||||
unsigned int first_get; /* DMAGET value, where submit begins */
|
||||
unsigned int last_pos; /* last value written to DMAPUT */
|
||||
struct push_buffer push_buffer; /* channel's push buffer */
|
||||
struct list_head sync_queue; /* job queue */
|
||||
struct buffer_timeout timeout; /* channel's timeout state/wq */
|
||||
bool running;
|
||||
bool torndown;
|
||||
};
|
||||
|
||||
#define cdma_to_channel(cdma) container_of(cdma, struct host1x_channel, cdma)
|
||||
#define cdma_to_host1x(cdma) dev_get_drvdata(cdma_to_channel(cdma)->dev->parent)
|
||||
#define pb_to_cdma(pb) container_of(pb, struct host1x_cdma, push_buffer)
|
||||
|
||||
int host1x_cdma_init(struct host1x_cdma *cdma);
|
||||
int host1x_cdma_deinit(struct host1x_cdma *cdma);
|
||||
void host1x_cdma_stop(struct host1x_cdma *cdma);
|
||||
int host1x_cdma_begin(struct host1x_cdma *cdma, struct host1x_job *job);
|
||||
void host1x_cdma_push(struct host1x_cdma *cdma, u32 op1, u32 op2);
|
||||
void host1x_cdma_end(struct host1x_cdma *cdma, struct host1x_job *job);
|
||||
void host1x_cdma_update(struct host1x_cdma *cdma);
|
||||
void host1x_cdma_peek(struct host1x_cdma *cdma, u32 dmaget, int slot,
|
||||
u32 *out);
|
||||
unsigned int host1x_cdma_wait_locked(struct host1x_cdma *cdma,
|
||||
enum cdma_event event);
|
||||
void host1x_cdma_update_sync_queue(struct host1x_cdma *cdma,
|
||||
struct device *dev);
|
||||
#endif
|
||||
126
drivers/gpu/host1x/channel.c
Normal file
126
drivers/gpu/host1x/channel.c
Normal file
|
|
@ -0,0 +1,126 @@
|
|||
/*
|
||||
* Tegra host1x Channel
|
||||
*
|
||||
* Copyright (c) 2010-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <linux/slab.h>
|
||||
#include <linux/module.h>
|
||||
|
||||
#include "channel.h"
|
||||
#include "dev.h"
|
||||
#include "job.h"
|
||||
|
||||
/* Constructor for the host1x device list */
|
||||
int host1x_channel_list_init(struct host1x *host)
|
||||
{
|
||||
INIT_LIST_HEAD(&host->chlist.list);
|
||||
mutex_init(&host->chlist_mutex);
|
||||
|
||||
if (host->info->nb_channels > BITS_PER_LONG) {
|
||||
WARN(1, "host1x hardware has more channels than supported by the driver\n");
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int host1x_job_submit(struct host1x_job *job)
|
||||
{
|
||||
struct host1x *host = dev_get_drvdata(job->channel->dev->parent);
|
||||
|
||||
return host1x_hw_channel_submit(host, job);
|
||||
}
|
||||
|
||||
struct host1x_channel *host1x_channel_get(struct host1x_channel *channel)
|
||||
{
|
||||
int err = 0;
|
||||
|
||||
mutex_lock(&channel->reflock);
|
||||
|
||||
if (channel->refcount == 0)
|
||||
err = host1x_cdma_init(&channel->cdma);
|
||||
|
||||
if (!err)
|
||||
channel->refcount++;
|
||||
|
||||
mutex_unlock(&channel->reflock);
|
||||
|
||||
return err ? NULL : channel;
|
||||
}
|
||||
|
||||
void host1x_channel_put(struct host1x_channel *channel)
|
||||
{
|
||||
mutex_lock(&channel->reflock);
|
||||
|
||||
if (channel->refcount == 1) {
|
||||
struct host1x *host = dev_get_drvdata(channel->dev->parent);
|
||||
|
||||
host1x_hw_cdma_stop(host, &channel->cdma);
|
||||
host1x_cdma_deinit(&channel->cdma);
|
||||
}
|
||||
|
||||
channel->refcount--;
|
||||
|
||||
mutex_unlock(&channel->reflock);
|
||||
}
|
||||
|
||||
struct host1x_channel *host1x_channel_request(struct device *dev)
|
||||
{
|
||||
struct host1x *host = dev_get_drvdata(dev->parent);
|
||||
int max_channels = host->info->nb_channels;
|
||||
struct host1x_channel *channel = NULL;
|
||||
int index, err;
|
||||
|
||||
mutex_lock(&host->chlist_mutex);
|
||||
|
||||
index = find_first_zero_bit(&host->allocated_channels, max_channels);
|
||||
if (index >= max_channels)
|
||||
goto fail;
|
||||
|
||||
channel = kzalloc(sizeof(*channel), GFP_KERNEL);
|
||||
if (!channel)
|
||||
goto fail;
|
||||
|
||||
err = host1x_hw_channel_init(host, channel, index);
|
||||
if (err < 0)
|
||||
goto fail;
|
||||
|
||||
/* Link device to host1x_channel */
|
||||
channel->dev = dev;
|
||||
|
||||
/* Add to channel list */
|
||||
list_add_tail(&channel->list, &host->chlist.list);
|
||||
|
||||
host->allocated_channels |= BIT(index);
|
||||
|
||||
mutex_unlock(&host->chlist_mutex);
|
||||
return channel;
|
||||
|
||||
fail:
|
||||
dev_err(dev, "failed to init channel\n");
|
||||
kfree(channel);
|
||||
mutex_unlock(&host->chlist_mutex);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void host1x_channel_free(struct host1x_channel *channel)
|
||||
{
|
||||
struct host1x *host = dev_get_drvdata(channel->dev->parent);
|
||||
|
||||
host->allocated_channels &= ~BIT(channel->id);
|
||||
list_del(&channel->list);
|
||||
kfree(channel);
|
||||
}
|
||||
52
drivers/gpu/host1x/channel.h
Normal file
52
drivers/gpu/host1x/channel.h
Normal file
|
|
@ -0,0 +1,52 @@
|
|||
/*
|
||||
* Tegra host1x Channel
|
||||
*
|
||||
* Copyright (c) 2010-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef __HOST1X_CHANNEL_H
|
||||
#define __HOST1X_CHANNEL_H
|
||||
|
||||
#include <linux/io.h>
|
||||
|
||||
#include "cdma.h"
|
||||
|
||||
struct host1x;
|
||||
|
||||
struct host1x_channel {
|
||||
struct list_head list;
|
||||
|
||||
unsigned int refcount;
|
||||
unsigned int id;
|
||||
struct mutex reflock;
|
||||
struct mutex submitlock;
|
||||
void __iomem *regs;
|
||||
struct device *dev;
|
||||
struct host1x_cdma cdma;
|
||||
};
|
||||
|
||||
/* channel list operations */
|
||||
int host1x_channel_list_init(struct host1x *host);
|
||||
|
||||
struct host1x_channel *host1x_channel_request(struct device *dev);
|
||||
void host1x_channel_free(struct host1x_channel *channel);
|
||||
struct host1x_channel *host1x_channel_get(struct host1x_channel *channel);
|
||||
void host1x_channel_put(struct host1x_channel *channel);
|
||||
int host1x_job_submit(struct host1x_job *job);
|
||||
|
||||
#define host1x_for_each_channel(host, channel) \
|
||||
list_for_each_entry(channel, &host->chlist.list, list)
|
||||
|
||||
#endif
|
||||
|
|
@ -29,6 +29,7 @@
|
|||
|
||||
#include "dev.h"
|
||||
#include "intr.h"
|
||||
#include "channel.h"
|
||||
#include "hw/host1x01.h"
|
||||
|
||||
void host1x_sync_writel(struct host1x *host1x, u32 v, u32 r)
|
||||
|
|
@ -45,6 +46,16 @@ u32 host1x_sync_readl(struct host1x *host1x, u32 r)
|
|||
return readl(sync_regs + r);
|
||||
}
|
||||
|
||||
void host1x_ch_writel(struct host1x_channel *ch, u32 v, u32 r)
|
||||
{
|
||||
writel(v, ch->regs + r);
|
||||
}
|
||||
|
||||
u32 host1x_ch_readl(struct host1x_channel *ch, u32 r)
|
||||
{
|
||||
return readl(ch->regs + r);
|
||||
}
|
||||
|
||||
static const struct host1x_info host1x01_info = {
|
||||
.nb_channels = 8,
|
||||
.nb_pts = 32,
|
||||
|
|
@ -112,6 +123,12 @@ static int host1x_probe(struct platform_device *pdev)
|
|||
return err;
|
||||
}
|
||||
|
||||
err = host1x_channel_list_init(host);
|
||||
if (err) {
|
||||
dev_err(&pdev->dev, "failed to initialize channel list\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
err = clk_prepare_enable(host->clk);
|
||||
if (err < 0) {
|
||||
dev_err(&pdev->dev, "failed to enable clock\n");
|
||||
|
|
|
|||
|
|
@ -20,10 +20,39 @@
|
|||
#include <linux/platform_device.h>
|
||||
#include <linux/device.h>
|
||||
|
||||
#include "channel.h"
|
||||
#include "syncpt.h"
|
||||
#include "intr.h"
|
||||
#include "cdma.h"
|
||||
#include "job.h"
|
||||
|
||||
struct host1x_syncpt;
|
||||
struct host1x_channel;
|
||||
struct host1x_cdma;
|
||||
struct host1x_job;
|
||||
struct push_buffer;
|
||||
|
||||
struct host1x_channel_ops {
|
||||
int (*init)(struct host1x_channel *channel, struct host1x *host,
|
||||
unsigned int id);
|
||||
int (*submit)(struct host1x_job *job);
|
||||
};
|
||||
|
||||
struct host1x_cdma_ops {
|
||||
void (*start)(struct host1x_cdma *cdma);
|
||||
void (*stop)(struct host1x_cdma *cdma);
|
||||
void (*flush)(struct host1x_cdma *cdma);
|
||||
int (*timeout_init)(struct host1x_cdma *cdma, u32 syncpt_id);
|
||||
void (*timeout_destroy)(struct host1x_cdma *cdma);
|
||||
void (*freeze)(struct host1x_cdma *cdma);
|
||||
void (*resume)(struct host1x_cdma *cdma, u32 getptr);
|
||||
void (*timeout_cpu_incr)(struct host1x_cdma *cdma, u32 getptr,
|
||||
u32 syncpt_incrs, u32 syncval, u32 nr_slots);
|
||||
};
|
||||
|
||||
struct host1x_pushbuffer_ops {
|
||||
void (*init)(struct push_buffer *pb);
|
||||
};
|
||||
|
||||
struct host1x_syncpt_ops {
|
||||
void (*restore)(struct host1x_syncpt *syncpt);
|
||||
|
|
@ -68,11 +97,22 @@ struct host1x {
|
|||
|
||||
const struct host1x_syncpt_ops *syncpt_op;
|
||||
const struct host1x_intr_ops *intr_op;
|
||||
const struct host1x_channel_ops *channel_op;
|
||||
const struct host1x_cdma_ops *cdma_op;
|
||||
const struct host1x_pushbuffer_ops *cdma_pb_op;
|
||||
|
||||
struct host1x_syncpt *nop_sp;
|
||||
|
||||
struct mutex chlist_mutex;
|
||||
struct host1x_channel chlist;
|
||||
unsigned long allocated_channels;
|
||||
unsigned int num_allocated_channels;
|
||||
};
|
||||
|
||||
void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
|
||||
u32 host1x_sync_readl(struct host1x *host1x, u32 r);
|
||||
void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
|
||||
u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
|
||||
|
||||
static inline void host1x_hw_syncpt_restore(struct host1x *host,
|
||||
struct host1x_syncpt *sp)
|
||||
|
|
@ -144,4 +184,77 @@ static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
|
|||
{
|
||||
return host->intr_op->free_syncpt_irq(host);
|
||||
}
|
||||
|
||||
static inline int host1x_hw_channel_init(struct host1x *host,
|
||||
struct host1x_channel *channel,
|
||||
int chid)
|
||||
{
|
||||
return host->channel_op->init(channel, host, chid);
|
||||
}
|
||||
|
||||
static inline int host1x_hw_channel_submit(struct host1x *host,
|
||||
struct host1x_job *job)
|
||||
{
|
||||
return host->channel_op->submit(job);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_cdma_start(struct host1x *host,
|
||||
struct host1x_cdma *cdma)
|
||||
{
|
||||
host->cdma_op->start(cdma);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_cdma_stop(struct host1x *host,
|
||||
struct host1x_cdma *cdma)
|
||||
{
|
||||
host->cdma_op->stop(cdma);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_cdma_flush(struct host1x *host,
|
||||
struct host1x_cdma *cdma)
|
||||
{
|
||||
host->cdma_op->flush(cdma);
|
||||
}
|
||||
|
||||
static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
|
||||
struct host1x_cdma *cdma,
|
||||
u32 syncpt_id)
|
||||
{
|
||||
return host->cdma_op->timeout_init(cdma, syncpt_id);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
|
||||
struct host1x_cdma *cdma)
|
||||
{
|
||||
host->cdma_op->timeout_destroy(cdma);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_cdma_freeze(struct host1x *host,
|
||||
struct host1x_cdma *cdma)
|
||||
{
|
||||
host->cdma_op->freeze(cdma);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_cdma_resume(struct host1x *host,
|
||||
struct host1x_cdma *cdma, u32 getptr)
|
||||
{
|
||||
host->cdma_op->resume(cdma, getptr);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
|
||||
struct host1x_cdma *cdma,
|
||||
u32 getptr,
|
||||
u32 syncpt_incrs,
|
||||
u32 syncval, u32 nr_slots)
|
||||
{
|
||||
host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
|
||||
nr_slots);
|
||||
}
|
||||
|
||||
static inline void host1x_hw_pushbuffer_init(struct host1x *host,
|
||||
struct push_buffer *pb)
|
||||
{
|
||||
host->cdma_pb_op->init(pb);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
28
drivers/gpu/host1x/host1x.h
Normal file
28
drivers/gpu/host1x/host1x.h
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
/*
|
||||
* Tegra host1x driver
|
||||
*
|
||||
* Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef __LINUX_HOST1X_H
|
||||
#define __LINUX_HOST1X_H
|
||||
|
||||
enum host1x_class {
|
||||
HOST1X_CLASS_HOST1X = 0x1
|
||||
};
|
||||
|
||||
#endif
|
||||
87
drivers/gpu/host1x/host1x_bo.h
Normal file
87
drivers/gpu/host1x/host1x_bo.h
Normal file
|
|
@ -0,0 +1,87 @@
|
|||
/*
|
||||
* Tegra host1x Memory Management Abstraction header
|
||||
*
|
||||
* Copyright (c) 2012-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef _HOST1X_BO_H
|
||||
#define _HOST1X_BO_H
|
||||
|
||||
struct host1x_bo;
|
||||
|
||||
struct host1x_bo_ops {
|
||||
struct host1x_bo *(*get)(struct host1x_bo *bo);
|
||||
void (*put)(struct host1x_bo *bo);
|
||||
dma_addr_t (*pin)(struct host1x_bo *bo, struct sg_table **sgt);
|
||||
void (*unpin)(struct host1x_bo *bo, struct sg_table *sgt);
|
||||
void *(*mmap)(struct host1x_bo *bo);
|
||||
void (*munmap)(struct host1x_bo *bo, void *addr);
|
||||
void *(*kmap)(struct host1x_bo *bo, unsigned int pagenum);
|
||||
void (*kunmap)(struct host1x_bo *bo, unsigned int pagenum, void *addr);
|
||||
};
|
||||
|
||||
struct host1x_bo {
|
||||
const struct host1x_bo_ops *ops;
|
||||
};
|
||||
|
||||
static inline void host1x_bo_init(struct host1x_bo *bo,
|
||||
const struct host1x_bo_ops *ops)
|
||||
{
|
||||
bo->ops = ops;
|
||||
}
|
||||
|
||||
static inline struct host1x_bo *host1x_bo_get(struct host1x_bo *bo)
|
||||
{
|
||||
return bo->ops->get(bo);
|
||||
}
|
||||
|
||||
static inline void host1x_bo_put(struct host1x_bo *bo)
|
||||
{
|
||||
bo->ops->put(bo);
|
||||
}
|
||||
|
||||
static inline dma_addr_t host1x_bo_pin(struct host1x_bo *bo,
|
||||
struct sg_table **sgt)
|
||||
{
|
||||
return bo->ops->pin(bo, sgt);
|
||||
}
|
||||
|
||||
static inline void host1x_bo_unpin(struct host1x_bo *bo, struct sg_table *sgt)
|
||||
{
|
||||
bo->ops->unpin(bo, sgt);
|
||||
}
|
||||
|
||||
static inline void *host1x_bo_mmap(struct host1x_bo *bo)
|
||||
{
|
||||
return bo->ops->mmap(bo);
|
||||
}
|
||||
|
||||
static inline void host1x_bo_munmap(struct host1x_bo *bo, void *addr)
|
||||
{
|
||||
bo->ops->munmap(bo, addr);
|
||||
}
|
||||
|
||||
static inline void *host1x_bo_kmap(struct host1x_bo *bo, unsigned int pagenum)
|
||||
{
|
||||
return bo->ops->kmap(bo, pagenum);
|
||||
}
|
||||
|
||||
static inline void host1x_bo_kunmap(struct host1x_bo *bo,
|
||||
unsigned int pagenum, void *addr)
|
||||
{
|
||||
bo->ops->kunmap(bo, pagenum, addr);
|
||||
}
|
||||
|
||||
#endif
|
||||
324
drivers/gpu/host1x/hw/cdma_hw.c
Normal file
324
drivers/gpu/host1x/hw/cdma_hw.c
Normal file
|
|
@ -0,0 +1,324 @@
|
|||
/*
|
||||
* Tegra host1x Command DMA
|
||||
*
|
||||
* Copyright (c) 2010-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <linux/slab.h>
|
||||
#include <linux/scatterlist.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
|
||||
#include "cdma.h"
|
||||
#include "channel.h"
|
||||
#include "dev.h"
|
||||
#include "debug.h"
|
||||
|
||||
/*
|
||||
* Put the restart at the end of pushbuffer memor
|
||||
*/
|
||||
static void push_buffer_init(struct push_buffer *pb)
|
||||
{
|
||||
*(pb->mapped + (pb->size_bytes >> 2)) = host1x_opcode_restart(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Increment timedout buffer's syncpt via CPU.
|
||||
*/
|
||||
static void cdma_timeout_cpu_incr(struct host1x_cdma *cdma, u32 getptr,
|
||||
u32 syncpt_incrs, u32 syncval, u32 nr_slots)
|
||||
{
|
||||
struct host1x *host1x = cdma_to_host1x(cdma);
|
||||
struct push_buffer *pb = &cdma->push_buffer;
|
||||
u32 i;
|
||||
|
||||
for (i = 0; i < syncpt_incrs; i++)
|
||||
host1x_syncpt_cpu_incr(cdma->timeout.syncpt);
|
||||
|
||||
/* after CPU incr, ensure shadow is up to date */
|
||||
host1x_syncpt_load(cdma->timeout.syncpt);
|
||||
|
||||
/* NOP all the PB slots */
|
||||
while (nr_slots--) {
|
||||
u32 *p = (u32 *)((u32)pb->mapped + getptr);
|
||||
*(p++) = HOST1X_OPCODE_NOP;
|
||||
*(p++) = HOST1X_OPCODE_NOP;
|
||||
dev_dbg(host1x->dev, "%s: NOP at 0x%x\n", __func__,
|
||||
pb->phys + getptr);
|
||||
getptr = (getptr + 8) & (pb->size_bytes - 1);
|
||||
}
|
||||
wmb();
|
||||
}
|
||||
|
||||
/*
|
||||
* Start channel DMA
|
||||
*/
|
||||
static void cdma_start(struct host1x_cdma *cdma)
|
||||
{
|
||||
struct host1x_channel *ch = cdma_to_channel(cdma);
|
||||
|
||||
if (cdma->running)
|
||||
return;
|
||||
|
||||
cdma->last_pos = cdma->push_buffer.pos;
|
||||
|
||||
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP,
|
||||
HOST1X_CHANNEL_DMACTRL);
|
||||
|
||||
/* set base, put and end pointer */
|
||||
host1x_ch_writel(ch, cdma->push_buffer.phys, HOST1X_CHANNEL_DMASTART);
|
||||
host1x_ch_writel(ch, cdma->push_buffer.pos, HOST1X_CHANNEL_DMAPUT);
|
||||
host1x_ch_writel(ch, cdma->push_buffer.phys +
|
||||
cdma->push_buffer.size_bytes + 4,
|
||||
HOST1X_CHANNEL_DMAEND);
|
||||
|
||||
/* reset GET */
|
||||
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP |
|
||||
HOST1X_CHANNEL_DMACTRL_DMAGETRST |
|
||||
HOST1X_CHANNEL_DMACTRL_DMAINITGET,
|
||||
HOST1X_CHANNEL_DMACTRL);
|
||||
|
||||
/* start the command DMA */
|
||||
host1x_ch_writel(ch, 0, HOST1X_CHANNEL_DMACTRL);
|
||||
|
||||
cdma->running = true;
|
||||
}
|
||||
|
||||
/*
|
||||
* Similar to cdma_start(), but rather than starting from an idle
|
||||
* state (where DMA GET is set to DMA PUT), on a timeout we restore
|
||||
* DMA GET from an explicit value (so DMA may again be pending).
|
||||
*/
|
||||
static void cdma_timeout_restart(struct host1x_cdma *cdma, u32 getptr)
|
||||
{
|
||||
struct host1x *host1x = cdma_to_host1x(cdma);
|
||||
struct host1x_channel *ch = cdma_to_channel(cdma);
|
||||
|
||||
if (cdma->running)
|
||||
return;
|
||||
|
||||
cdma->last_pos = cdma->push_buffer.pos;
|
||||
|
||||
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP,
|
||||
HOST1X_CHANNEL_DMACTRL);
|
||||
|
||||
/* set base, end pointer (all of memory) */
|
||||
host1x_ch_writel(ch, cdma->push_buffer.phys, HOST1X_CHANNEL_DMASTART);
|
||||
host1x_ch_writel(ch, cdma->push_buffer.phys +
|
||||
cdma->push_buffer.size_bytes,
|
||||
HOST1X_CHANNEL_DMAEND);
|
||||
|
||||
/* set GET, by loading the value in PUT (then reset GET) */
|
||||
host1x_ch_writel(ch, getptr, HOST1X_CHANNEL_DMAPUT);
|
||||
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP |
|
||||
HOST1X_CHANNEL_DMACTRL_DMAGETRST |
|
||||
HOST1X_CHANNEL_DMACTRL_DMAINITGET,
|
||||
HOST1X_CHANNEL_DMACTRL);
|
||||
|
||||
dev_dbg(host1x->dev,
|
||||
"%s: DMA GET 0x%x, PUT HW 0x%x / shadow 0x%x\n", __func__,
|
||||
host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET),
|
||||
host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT),
|
||||
cdma->last_pos);
|
||||
|
||||
/* deassert GET reset and set PUT */
|
||||
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP,
|
||||
HOST1X_CHANNEL_DMACTRL);
|
||||
host1x_ch_writel(ch, cdma->push_buffer.pos, HOST1X_CHANNEL_DMAPUT);
|
||||
|
||||
/* start the command DMA */
|
||||
host1x_ch_writel(ch, 0, HOST1X_CHANNEL_DMACTRL);
|
||||
|
||||
cdma->running = true;
|
||||
}
|
||||
|
||||
/*
|
||||
* Kick channel DMA into action by writing its PUT offset (if it has changed)
|
||||
*/
|
||||
static void cdma_flush(struct host1x_cdma *cdma)
|
||||
{
|
||||
struct host1x_channel *ch = cdma_to_channel(cdma);
|
||||
|
||||
if (cdma->push_buffer.pos != cdma->last_pos) {
|
||||
host1x_ch_writel(ch, cdma->push_buffer.pos,
|
||||
HOST1X_CHANNEL_DMAPUT);
|
||||
cdma->last_pos = cdma->push_buffer.pos;
|
||||
}
|
||||
}
|
||||
|
||||
static void cdma_stop(struct host1x_cdma *cdma)
|
||||
{
|
||||
struct host1x_channel *ch = cdma_to_channel(cdma);
|
||||
|
||||
mutex_lock(&cdma->lock);
|
||||
if (cdma->running) {
|
||||
host1x_cdma_wait_locked(cdma, CDMA_EVENT_SYNC_QUEUE_EMPTY);
|
||||
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP,
|
||||
HOST1X_CHANNEL_DMACTRL);
|
||||
cdma->running = false;
|
||||
}
|
||||
mutex_unlock(&cdma->lock);
|
||||
}
|
||||
|
||||
/*
|
||||
* Stops both channel's command processor and CDMA immediately.
|
||||
* Also, tears down the channel and resets corresponding module.
|
||||
*/
|
||||
static void cdma_freeze(struct host1x_cdma *cdma)
|
||||
{
|
||||
struct host1x *host = cdma_to_host1x(cdma);
|
||||
struct host1x_channel *ch = cdma_to_channel(cdma);
|
||||
u32 cmdproc_stop;
|
||||
|
||||
if (cdma->torndown && !cdma->running) {
|
||||
dev_warn(host->dev, "Already torn down\n");
|
||||
return;
|
||||
}
|
||||
|
||||
dev_dbg(host->dev, "freezing channel (id %d)\n", ch->id);
|
||||
|
||||
cmdproc_stop = host1x_sync_readl(host, HOST1X_SYNC_CMDPROC_STOP);
|
||||
cmdproc_stop |= BIT(ch->id);
|
||||
host1x_sync_writel(host, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
|
||||
|
||||
dev_dbg(host->dev, "%s: DMA GET 0x%x, PUT HW 0x%x / shadow 0x%x\n",
|
||||
__func__, host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET),
|
||||
host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT),
|
||||
cdma->last_pos);
|
||||
|
||||
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP,
|
||||
HOST1X_CHANNEL_DMACTRL);
|
||||
|
||||
host1x_sync_writel(host, BIT(ch->id), HOST1X_SYNC_CH_TEARDOWN);
|
||||
|
||||
cdma->running = false;
|
||||
cdma->torndown = true;
|
||||
}
|
||||
|
||||
static void cdma_resume(struct host1x_cdma *cdma, u32 getptr)
|
||||
{
|
||||
struct host1x *host1x = cdma_to_host1x(cdma);
|
||||
struct host1x_channel *ch = cdma_to_channel(cdma);
|
||||
u32 cmdproc_stop;
|
||||
|
||||
dev_dbg(host1x->dev,
|
||||
"resuming channel (id %d, DMAGET restart = 0x%x)\n",
|
||||
ch->id, getptr);
|
||||
|
||||
cmdproc_stop = host1x_sync_readl(host1x, HOST1X_SYNC_CMDPROC_STOP);
|
||||
cmdproc_stop &= ~(BIT(ch->id));
|
||||
host1x_sync_writel(host1x, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
|
||||
|
||||
cdma->torndown = false;
|
||||
cdma_timeout_restart(cdma, getptr);
|
||||
}
|
||||
|
||||
/*
|
||||
* If this timeout fires, it indicates the current sync_queue entry has
|
||||
* exceeded its TTL and the userctx should be timed out and remaining
|
||||
* submits already issued cleaned up (future submits return an error).
|
||||
*/
|
||||
static void cdma_timeout_handler(struct work_struct *work)
|
||||
{
|
||||
struct host1x_cdma *cdma;
|
||||
struct host1x *host1x;
|
||||
struct host1x_channel *ch;
|
||||
|
||||
u32 syncpt_val;
|
||||
|
||||
u32 prev_cmdproc, cmdproc_stop;
|
||||
|
||||
cdma = container_of(to_delayed_work(work), struct host1x_cdma,
|
||||
timeout.wq);
|
||||
host1x = cdma_to_host1x(cdma);
|
||||
ch = cdma_to_channel(cdma);
|
||||
|
||||
mutex_lock(&cdma->lock);
|
||||
|
||||
if (!cdma->timeout.client) {
|
||||
dev_dbg(host1x->dev,
|
||||
"cdma_timeout: expired, but has no clientid\n");
|
||||
mutex_unlock(&cdma->lock);
|
||||
return;
|
||||
}
|
||||
|
||||
/* stop processing to get a clean snapshot */
|
||||
prev_cmdproc = host1x_sync_readl(host1x, HOST1X_SYNC_CMDPROC_STOP);
|
||||
cmdproc_stop = prev_cmdproc | BIT(ch->id);
|
||||
host1x_sync_writel(host1x, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
|
||||
|
||||
dev_dbg(host1x->dev, "cdma_timeout: cmdproc was 0x%x is 0x%x\n",
|
||||
prev_cmdproc, cmdproc_stop);
|
||||
|
||||
syncpt_val = host1x_syncpt_load(cdma->timeout.syncpt);
|
||||
|
||||
/* has buffer actually completed? */
|
||||
if ((s32)(syncpt_val - cdma->timeout.syncpt_val) >= 0) {
|
||||
dev_dbg(host1x->dev,
|
||||
"cdma_timeout: expired, but buffer had completed\n");
|
||||
/* restore */
|
||||
cmdproc_stop = prev_cmdproc & ~(BIT(ch->id));
|
||||
host1x_sync_writel(host1x, cmdproc_stop,
|
||||
HOST1X_SYNC_CMDPROC_STOP);
|
||||
mutex_unlock(&cdma->lock);
|
||||
return;
|
||||
}
|
||||
|
||||
dev_warn(host1x->dev, "%s: timeout: %d (%s), HW thresh %d, done %d\n",
|
||||
__func__, cdma->timeout.syncpt->id, cdma->timeout.syncpt->name,
|
||||
syncpt_val, cdma->timeout.syncpt_val);
|
||||
|
||||
/* stop HW, resetting channel/module */
|
||||
host1x_hw_cdma_freeze(host1x, cdma);
|
||||
|
||||
host1x_cdma_update_sync_queue(cdma, ch->dev);
|
||||
mutex_unlock(&cdma->lock);
|
||||
}
|
||||
|
||||
/*
|
||||
* Init timeout resources
|
||||
*/
|
||||
static int cdma_timeout_init(struct host1x_cdma *cdma, u32 syncpt_id)
|
||||
{
|
||||
INIT_DELAYED_WORK(&cdma->timeout.wq, cdma_timeout_handler);
|
||||
cdma->timeout.initialized = true;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Clean up timeout resources
|
||||
*/
|
||||
static void cdma_timeout_destroy(struct host1x_cdma *cdma)
|
||||
{
|
||||
if (cdma->timeout.initialized)
|
||||
cancel_delayed_work(&cdma->timeout.wq);
|
||||
cdma->timeout.initialized = false;
|
||||
}
|
||||
|
||||
static const struct host1x_cdma_ops host1x_cdma_ops = {
|
||||
.start = cdma_start,
|
||||
.stop = cdma_stop,
|
||||
.flush = cdma_flush,
|
||||
|
||||
.timeout_init = cdma_timeout_init,
|
||||
.timeout_destroy = cdma_timeout_destroy,
|
||||
.freeze = cdma_freeze,
|
||||
.resume = cdma_resume,
|
||||
.timeout_cpu_incr = cdma_timeout_cpu_incr,
|
||||
};
|
||||
|
||||
static const struct host1x_pushbuffer_ops host1x_pushbuffer_ops = {
|
||||
.init = push_buffer_init,
|
||||
};
|
||||
143
drivers/gpu/host1x/hw/channel_hw.c
Normal file
143
drivers/gpu/host1x/hw/channel_hw.c
Normal file
|
|
@ -0,0 +1,143 @@
|
|||
/*
|
||||
* Tegra host1x Channel
|
||||
*
|
||||
* Copyright (c) 2010-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <linux/slab.h>
|
||||
#include <trace/events/host1x.h>
|
||||
|
||||
#include "host1x.h"
|
||||
#include "host1x_bo.h"
|
||||
#include "channel.h"
|
||||
#include "dev.h"
|
||||
#include "intr.h"
|
||||
#include "job.h"
|
||||
|
||||
#define HOST1X_CHANNEL_SIZE 16384
|
||||
#define TRACE_MAX_LENGTH 128U
|
||||
|
||||
static void submit_gathers(struct host1x_job *job)
|
||||
{
|
||||
struct host1x_cdma *cdma = &job->channel->cdma;
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0; i < job->num_gathers; i++) {
|
||||
struct host1x_job_gather *g = &job->gathers[i];
|
||||
u32 op1 = host1x_opcode_gather(g->words);
|
||||
u32 op2 = g->base + g->offset;
|
||||
host1x_cdma_push(cdma, op1, op2);
|
||||
}
|
||||
}
|
||||
|
||||
static int channel_submit(struct host1x_job *job)
|
||||
{
|
||||
struct host1x_channel *ch = job->channel;
|
||||
struct host1x_syncpt *sp;
|
||||
u32 user_syncpt_incrs = job->syncpt_incrs;
|
||||
u32 prev_max = 0;
|
||||
u32 syncval;
|
||||
int err;
|
||||
struct host1x_waitlist *completed_waiter = NULL;
|
||||
struct host1x *host = dev_get_drvdata(ch->dev->parent);
|
||||
|
||||
sp = host->syncpt + job->syncpt_id;
|
||||
trace_host1x_channel_submit(dev_name(ch->dev),
|
||||
job->num_gathers, job->num_relocs,
|
||||
job->num_waitchk, job->syncpt_id,
|
||||
job->syncpt_incrs);
|
||||
|
||||
/* before error checks, return current max */
|
||||
prev_max = job->syncpt_end = host1x_syncpt_read_max(sp);
|
||||
|
||||
/* get submit lock */
|
||||
err = mutex_lock_interruptible(&ch->submitlock);
|
||||
if (err)
|
||||
goto error;
|
||||
|
||||
completed_waiter = kzalloc(sizeof(*completed_waiter), GFP_KERNEL);
|
||||
if (!completed_waiter) {
|
||||
mutex_unlock(&ch->submitlock);
|
||||
err = -ENOMEM;
|
||||
goto error;
|
||||
}
|
||||
|
||||
/* begin a CDMA submit */
|
||||
err = host1x_cdma_begin(&ch->cdma, job);
|
||||
if (err) {
|
||||
mutex_unlock(&ch->submitlock);
|
||||
goto error;
|
||||
}
|
||||
|
||||
if (job->serialize) {
|
||||
/*
|
||||
* Force serialization by inserting a host wait for the
|
||||
* previous job to finish before this one can commence.
|
||||
*/
|
||||
host1x_cdma_push(&ch->cdma,
|
||||
host1x_opcode_setclass(HOST1X_CLASS_HOST1X,
|
||||
host1x_uclass_wait_syncpt_r(), 1),
|
||||
host1x_class_host_wait_syncpt(job->syncpt_id,
|
||||
host1x_syncpt_read_max(sp)));
|
||||
}
|
||||
|
||||
syncval = host1x_syncpt_incr_max(sp, user_syncpt_incrs);
|
||||
|
||||
job->syncpt_end = syncval;
|
||||
|
||||
/* add a setclass for modules that require it */
|
||||
if (job->class)
|
||||
host1x_cdma_push(&ch->cdma,
|
||||
host1x_opcode_setclass(job->class, 0, 0),
|
||||
HOST1X_OPCODE_NOP);
|
||||
|
||||
submit_gathers(job);
|
||||
|
||||
/* end CDMA submit & stash pinned hMems into sync queue */
|
||||
host1x_cdma_end(&ch->cdma, job);
|
||||
|
||||
trace_host1x_channel_submitted(dev_name(ch->dev), prev_max, syncval);
|
||||
|
||||
/* schedule a submit complete interrupt */
|
||||
err = host1x_intr_add_action(host, job->syncpt_id, syncval,
|
||||
HOST1X_INTR_ACTION_SUBMIT_COMPLETE, ch,
|
||||
completed_waiter, NULL);
|
||||
completed_waiter = NULL;
|
||||
WARN(err, "Failed to set submit complete interrupt");
|
||||
|
||||
mutex_unlock(&ch->submitlock);
|
||||
|
||||
return 0;
|
||||
|
||||
error:
|
||||
kfree(completed_waiter);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int host1x_channel_init(struct host1x_channel *ch, struct host1x *dev,
|
||||
unsigned int index)
|
||||
{
|
||||
ch->id = index;
|
||||
mutex_init(&ch->reflock);
|
||||
mutex_init(&ch->submitlock);
|
||||
|
||||
ch->regs = dev->regs + index * HOST1X_CHANNEL_SIZE;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct host1x_channel_ops host1x_channel_ops = {
|
||||
.init = host1x_channel_init,
|
||||
.submit = channel_submit,
|
||||
};
|
||||
|
|
@ -21,6 +21,8 @@
|
|||
#include "hw/host1x01_hardware.h"
|
||||
|
||||
/* include code */
|
||||
#include "hw/cdma_hw.c"
|
||||
#include "hw/channel_hw.c"
|
||||
#include "hw/intr_hw.c"
|
||||
#include "hw/syncpt_hw.c"
|
||||
|
||||
|
|
@ -28,6 +30,9 @@
|
|||
|
||||
int host1x01_init(struct host1x *host)
|
||||
{
|
||||
host->channel_op = &host1x_channel_ops;
|
||||
host->cdma_op = &host1x_cdma_ops;
|
||||
host->cdma_pb_op = &host1x_pushbuffer_ops;
|
||||
host->syncpt_op = &host1x_syncpt_ops;
|
||||
host->intr_op = &host1x_intr_ops;
|
||||
|
||||
|
|
|
|||
|
|
@ -22,6 +22,122 @@
|
|||
#include <linux/types.h>
|
||||
#include <linux/bitops.h>
|
||||
|
||||
#include "hw_host1x01_channel.h"
|
||||
#include "hw_host1x01_sync.h"
|
||||
#include "hw_host1x01_uclass.h"
|
||||
|
||||
static inline u32 host1x_class_host_wait_syncpt(
|
||||
unsigned indx, unsigned threshold)
|
||||
{
|
||||
return host1x_uclass_wait_syncpt_indx_f(indx)
|
||||
| host1x_uclass_wait_syncpt_thresh_f(threshold);
|
||||
}
|
||||
|
||||
static inline u32 host1x_class_host_load_syncpt_base(
|
||||
unsigned indx, unsigned threshold)
|
||||
{
|
||||
return host1x_uclass_load_syncpt_base_base_indx_f(indx)
|
||||
| host1x_uclass_load_syncpt_base_value_f(threshold);
|
||||
}
|
||||
|
||||
static inline u32 host1x_class_host_wait_syncpt_base(
|
||||
unsigned indx, unsigned base_indx, unsigned offset)
|
||||
{
|
||||
return host1x_uclass_wait_syncpt_base_indx_f(indx)
|
||||
| host1x_uclass_wait_syncpt_base_base_indx_f(base_indx)
|
||||
| host1x_uclass_wait_syncpt_base_offset_f(offset);
|
||||
}
|
||||
|
||||
static inline u32 host1x_class_host_incr_syncpt_base(
|
||||
unsigned base_indx, unsigned offset)
|
||||
{
|
||||
return host1x_uclass_incr_syncpt_base_base_indx_f(base_indx)
|
||||
| host1x_uclass_incr_syncpt_base_offset_f(offset);
|
||||
}
|
||||
|
||||
static inline u32 host1x_class_host_incr_syncpt(
|
||||
unsigned cond, unsigned indx)
|
||||
{
|
||||
return host1x_uclass_incr_syncpt_cond_f(cond)
|
||||
| host1x_uclass_incr_syncpt_indx_f(indx);
|
||||
}
|
||||
|
||||
static inline u32 host1x_class_host_indoff_reg_write(
|
||||
unsigned mod_id, unsigned offset, bool auto_inc)
|
||||
{
|
||||
u32 v = host1x_uclass_indoff_indbe_f(0xf)
|
||||
| host1x_uclass_indoff_indmodid_f(mod_id)
|
||||
| host1x_uclass_indoff_indroffset_f(offset);
|
||||
if (auto_inc)
|
||||
v |= host1x_uclass_indoff_autoinc_f(1);
|
||||
return v;
|
||||
}
|
||||
|
||||
static inline u32 host1x_class_host_indoff_reg_read(
|
||||
unsigned mod_id, unsigned offset, bool auto_inc)
|
||||
{
|
||||
u32 v = host1x_uclass_indoff_indmodid_f(mod_id)
|
||||
| host1x_uclass_indoff_indroffset_f(offset)
|
||||
| host1x_uclass_indoff_rwn_read_v();
|
||||
if (auto_inc)
|
||||
v |= host1x_uclass_indoff_autoinc_f(1);
|
||||
return v;
|
||||
}
|
||||
|
||||
|
||||
/* cdma opcodes */
|
||||
static inline u32 host1x_opcode_setclass(
|
||||
unsigned class_id, unsigned offset, unsigned mask)
|
||||
{
|
||||
return (0 << 28) | (offset << 16) | (class_id << 6) | mask;
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_incr(unsigned offset, unsigned count)
|
||||
{
|
||||
return (1 << 28) | (offset << 16) | count;
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_nonincr(unsigned offset, unsigned count)
|
||||
{
|
||||
return (2 << 28) | (offset << 16) | count;
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_mask(unsigned offset, unsigned mask)
|
||||
{
|
||||
return (3 << 28) | (offset << 16) | mask;
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_imm(unsigned offset, unsigned value)
|
||||
{
|
||||
return (4 << 28) | (offset << 16) | value;
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_imm_incr_syncpt(unsigned cond, unsigned indx)
|
||||
{
|
||||
return host1x_opcode_imm(host1x_uclass_incr_syncpt_r(),
|
||||
host1x_class_host_incr_syncpt(cond, indx));
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_restart(unsigned address)
|
||||
{
|
||||
return (5 << 28) | (address >> 4);
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_gather(unsigned count)
|
||||
{
|
||||
return (6 << 28) | count;
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_gather_nonincr(unsigned offset, unsigned count)
|
||||
{
|
||||
return (6 << 28) | (offset << 16) | BIT(15) | count;
|
||||
}
|
||||
|
||||
static inline u32 host1x_opcode_gather_incr(unsigned offset, unsigned count)
|
||||
{
|
||||
return (6 << 28) | (offset << 16) | BIT(15) | BIT(14) | count;
|
||||
}
|
||||
|
||||
#define HOST1X_OPCODE_NOP host1x_opcode_nonincr(0, 0)
|
||||
|
||||
#endif
|
||||
|
|
|
|||
102
drivers/gpu/host1x/hw/hw_host1x01_channel.h
Normal file
102
drivers/gpu/host1x/hw/hw_host1x01_channel.h
Normal file
|
|
@ -0,0 +1,102 @@
|
|||
/*
|
||||
* Copyright (c) 2012-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* Function naming determines intended use:
|
||||
*
|
||||
* <x>_r(void) : Returns the offset for register <x>.
|
||||
*
|
||||
* <x>_w(void) : Returns the word offset for word (4 byte) element <x>.
|
||||
*
|
||||
* <x>_<y>_s(void) : Returns size of field <y> of register <x> in bits.
|
||||
*
|
||||
* <x>_<y>_f(u32 v) : Returns a value based on 'v' which has been shifted
|
||||
* and masked to place it at field <y> of register <x>. This value
|
||||
* can be |'d with others to produce a full register value for
|
||||
* register <x>.
|
||||
*
|
||||
* <x>_<y>_m(void) : Returns a mask for field <y> of register <x>. This
|
||||
* value can be ~'d and then &'d to clear the value of field <y> for
|
||||
* register <x>.
|
||||
*
|
||||
* <x>_<y>_<z>_f(void) : Returns the constant value <z> after being shifted
|
||||
* to place it at field <y> of register <x>. This value can be |'d
|
||||
* with others to produce a full register value for <x>.
|
||||
*
|
||||
* <x>_<y>_v(u32 r) : Returns the value of field <y> from a full register
|
||||
* <x> value 'r' after being shifted to place its LSB at bit 0.
|
||||
* This value is suitable for direct comparison with other unshifted
|
||||
* values appropriate for use in field <y> of register <x>.
|
||||
*
|
||||
* <x>_<y>_<z>_v(void) : Returns the constant value for <z> defined for
|
||||
* field <y> of register <x>. This value is suitable for direct
|
||||
* comparison with unshifted values appropriate for use in field <y>
|
||||
* of register <x>.
|
||||
*/
|
||||
|
||||
#ifndef __hw_host1x_channel_host1x_h__
|
||||
#define __hw_host1x_channel_host1x_h__
|
||||
|
||||
static inline u32 host1x_channel_dmastart_r(void)
|
||||
{
|
||||
return 0x14;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMASTART \
|
||||
host1x_channel_dmastart_r()
|
||||
static inline u32 host1x_channel_dmaput_r(void)
|
||||
{
|
||||
return 0x18;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMAPUT \
|
||||
host1x_channel_dmaput_r()
|
||||
static inline u32 host1x_channel_dmaget_r(void)
|
||||
{
|
||||
return 0x1c;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMAGET \
|
||||
host1x_channel_dmaget_r()
|
||||
static inline u32 host1x_channel_dmaend_r(void)
|
||||
{
|
||||
return 0x20;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMAEND \
|
||||
host1x_channel_dmaend_r()
|
||||
static inline u32 host1x_channel_dmactrl_r(void)
|
||||
{
|
||||
return 0x24;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMACTRL \
|
||||
host1x_channel_dmactrl_r()
|
||||
static inline u32 host1x_channel_dmactrl_dmastop(void)
|
||||
{
|
||||
return 1 << 0;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMACTRL_DMASTOP \
|
||||
host1x_channel_dmactrl_dmastop()
|
||||
static inline u32 host1x_channel_dmactrl_dmagetrst(void)
|
||||
{
|
||||
return 1 << 1;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMACTRL_DMAGETRST \
|
||||
host1x_channel_dmactrl_dmagetrst()
|
||||
static inline u32 host1x_channel_dmactrl_dmainitget(void)
|
||||
{
|
||||
return 1 << 2;
|
||||
}
|
||||
#define HOST1X_CHANNEL_DMACTRL_DMAINITGET \
|
||||
host1x_channel_dmactrl_dmainitget()
|
||||
#endif
|
||||
|
|
@ -77,6 +77,18 @@ static inline u32 host1x_sync_syncpt_thresh_int_enable_cpu0_r(unsigned int id)
|
|||
}
|
||||
#define HOST1X_SYNC_SYNCPT_THRESH_INT_ENABLE_CPU0(id) \
|
||||
host1x_sync_syncpt_thresh_int_enable_cpu0_r(id)
|
||||
static inline u32 host1x_sync_cmdproc_stop_r(void)
|
||||
{
|
||||
return 0xac;
|
||||
}
|
||||
#define HOST1X_SYNC_CMDPROC_STOP \
|
||||
host1x_sync_cmdproc_stop_r()
|
||||
static inline u32 host1x_sync_ch_teardown_r(void)
|
||||
{
|
||||
return 0xb0;
|
||||
}
|
||||
#define HOST1X_SYNC_CH_TEARDOWN \
|
||||
host1x_sync_ch_teardown_r()
|
||||
static inline u32 host1x_sync_usec_clk_r(void)
|
||||
{
|
||||
return 0x1a4;
|
||||
|
|
|
|||
168
drivers/gpu/host1x/hw/hw_host1x01_uclass.h
Normal file
168
drivers/gpu/host1x/hw/hw_host1x01_uclass.h
Normal file
|
|
@ -0,0 +1,168 @@
|
|||
/*
|
||||
* Copyright (c) 2012-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* Function naming determines intended use:
|
||||
*
|
||||
* <x>_r(void) : Returns the offset for register <x>.
|
||||
*
|
||||
* <x>_w(void) : Returns the word offset for word (4 byte) element <x>.
|
||||
*
|
||||
* <x>_<y>_s(void) : Returns size of field <y> of register <x> in bits.
|
||||
*
|
||||
* <x>_<y>_f(u32 v) : Returns a value based on 'v' which has been shifted
|
||||
* and masked to place it at field <y> of register <x>. This value
|
||||
* can be |'d with others to produce a full register value for
|
||||
* register <x>.
|
||||
*
|
||||
* <x>_<y>_m(void) : Returns a mask for field <y> of register <x>. This
|
||||
* value can be ~'d and then &'d to clear the value of field <y> for
|
||||
* register <x>.
|
||||
*
|
||||
* <x>_<y>_<z>_f(void) : Returns the constant value <z> after being shifted
|
||||
* to place it at field <y> of register <x>. This value can be |'d
|
||||
* with others to produce a full register value for <x>.
|
||||
*
|
||||
* <x>_<y>_v(u32 r) : Returns the value of field <y> from a full register
|
||||
* <x> value 'r' after being shifted to place its LSB at bit 0.
|
||||
* This value is suitable for direct comparison with other unshifted
|
||||
* values appropriate for use in field <y> of register <x>.
|
||||
*
|
||||
* <x>_<y>_<z>_v(void) : Returns the constant value for <z> defined for
|
||||
* field <y> of register <x>. This value is suitable for direct
|
||||
* comparison with unshifted values appropriate for use in field <y>
|
||||
* of register <x>.
|
||||
*/
|
||||
|
||||
#ifndef __hw_host1x_uclass_host1x_h__
|
||||
#define __hw_host1x_uclass_host1x_h__
|
||||
|
||||
static inline u32 host1x_uclass_incr_syncpt_r(void)
|
||||
{
|
||||
return 0x0;
|
||||
}
|
||||
#define HOST1X_UCLASS_INCR_SYNCPT \
|
||||
host1x_uclass_incr_syncpt_r()
|
||||
static inline u32 host1x_uclass_incr_syncpt_cond_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 8;
|
||||
}
|
||||
#define HOST1X_UCLASS_INCR_SYNCPT_COND_F(v) \
|
||||
host1x_uclass_incr_syncpt_cond_f(v)
|
||||
static inline u32 host1x_uclass_incr_syncpt_indx_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 0;
|
||||
}
|
||||
#define HOST1X_UCLASS_INCR_SYNCPT_INDX_F(v) \
|
||||
host1x_uclass_incr_syncpt_indx_f(v)
|
||||
static inline u32 host1x_uclass_wait_syncpt_r(void)
|
||||
{
|
||||
return 0x8;
|
||||
}
|
||||
#define HOST1X_UCLASS_WAIT_SYNCPT \
|
||||
host1x_uclass_wait_syncpt_r()
|
||||
static inline u32 host1x_uclass_wait_syncpt_indx_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 24;
|
||||
}
|
||||
#define HOST1X_UCLASS_WAIT_SYNCPT_INDX_F(v) \
|
||||
host1x_uclass_wait_syncpt_indx_f(v)
|
||||
static inline u32 host1x_uclass_wait_syncpt_thresh_f(u32 v)
|
||||
{
|
||||
return (v & 0xffffff) << 0;
|
||||
}
|
||||
#define HOST1X_UCLASS_WAIT_SYNCPT_THRESH_F(v) \
|
||||
host1x_uclass_wait_syncpt_thresh_f(v)
|
||||
static inline u32 host1x_uclass_wait_syncpt_base_indx_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 24;
|
||||
}
|
||||
#define HOST1X_UCLASS_WAIT_SYNCPT_BASE_INDX_F(v) \
|
||||
host1x_uclass_wait_syncpt_base_indx_f(v)
|
||||
static inline u32 host1x_uclass_wait_syncpt_base_base_indx_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 16;
|
||||
}
|
||||
#define HOST1X_UCLASS_WAIT_SYNCPT_BASE_BASE_INDX_F(v) \
|
||||
host1x_uclass_wait_syncpt_base_base_indx_f(v)
|
||||
static inline u32 host1x_uclass_wait_syncpt_base_offset_f(u32 v)
|
||||
{
|
||||
return (v & 0xffff) << 0;
|
||||
}
|
||||
#define HOST1X_UCLASS_WAIT_SYNCPT_BASE_OFFSET_F(v) \
|
||||
host1x_uclass_wait_syncpt_base_offset_f(v)
|
||||
static inline u32 host1x_uclass_load_syncpt_base_base_indx_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 24;
|
||||
}
|
||||
#define HOST1X_UCLASS_LOAD_SYNCPT_BASE_BASE_INDX_F(v) \
|
||||
host1x_uclass_load_syncpt_base_base_indx_f(v)
|
||||
static inline u32 host1x_uclass_load_syncpt_base_value_f(u32 v)
|
||||
{
|
||||
return (v & 0xffffff) << 0;
|
||||
}
|
||||
#define HOST1X_UCLASS_LOAD_SYNCPT_BASE_VALUE_F(v) \
|
||||
host1x_uclass_load_syncpt_base_value_f(v)
|
||||
static inline u32 host1x_uclass_incr_syncpt_base_base_indx_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 24;
|
||||
}
|
||||
#define HOST1X_UCLASS_INCR_SYNCPT_BASE_BASE_INDX_F(v) \
|
||||
host1x_uclass_incr_syncpt_base_base_indx_f(v)
|
||||
static inline u32 host1x_uclass_incr_syncpt_base_offset_f(u32 v)
|
||||
{
|
||||
return (v & 0xffffff) << 0;
|
||||
}
|
||||
#define HOST1X_UCLASS_INCR_SYNCPT_BASE_OFFSET_F(v) \
|
||||
host1x_uclass_incr_syncpt_base_offset_f(v)
|
||||
static inline u32 host1x_uclass_indoff_r(void)
|
||||
{
|
||||
return 0x2d;
|
||||
}
|
||||
#define HOST1X_UCLASS_INDOFF \
|
||||
host1x_uclass_indoff_r()
|
||||
static inline u32 host1x_uclass_indoff_indbe_f(u32 v)
|
||||
{
|
||||
return (v & 0xf) << 28;
|
||||
}
|
||||
#define HOST1X_UCLASS_INDOFF_INDBE_F(v) \
|
||||
host1x_uclass_indoff_indbe_f(v)
|
||||
static inline u32 host1x_uclass_indoff_autoinc_f(u32 v)
|
||||
{
|
||||
return (v & 0x1) << 27;
|
||||
}
|
||||
#define HOST1X_UCLASS_INDOFF_AUTOINC_F(v) \
|
||||
host1x_uclass_indoff_autoinc_f(v)
|
||||
static inline u32 host1x_uclass_indoff_indmodid_f(u32 v)
|
||||
{
|
||||
return (v & 0xff) << 18;
|
||||
}
|
||||
#define HOST1X_UCLASS_INDOFF_INDMODID_F(v) \
|
||||
host1x_uclass_indoff_indmodid_f(v)
|
||||
static inline u32 host1x_uclass_indoff_indroffset_f(u32 v)
|
||||
{
|
||||
return (v & 0xffff) << 2;
|
||||
}
|
||||
#define HOST1X_UCLASS_INDOFF_INDROFFSET_F(v) \
|
||||
host1x_uclass_indoff_indroffset_f(v)
|
||||
static inline u32 host1x_uclass_indoff_rwn_read_v(void)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
#define HOST1X_UCLASS_INDOFF_INDROFFSET_F(v) \
|
||||
host1x_uclass_indoff_indroffset_f(v)
|
||||
#endif
|
||||
|
|
@ -93,10 +93,21 @@ static void syncpt_cpu_incr(struct host1x_syncpt *sp)
|
|||
wmb();
|
||||
}
|
||||
|
||||
/* remove a wait pointed to by patch_addr */
|
||||
static int syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr)
|
||||
{
|
||||
u32 override = host1x_class_host_wait_syncpt(
|
||||
HOST1X_SYNCPT_RESERVED, 0);
|
||||
|
||||
*((u32 *)patch_addr) = override;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct host1x_syncpt_ops host1x_syncpt_ops = {
|
||||
.restore = syncpt_restore,
|
||||
.restore_wait_base = syncpt_restore_wait_base,
|
||||
.load_wait_base = syncpt_read_wait_base,
|
||||
.load = syncpt_load,
|
||||
.cpu_incr = syncpt_cpu_incr,
|
||||
.patch_wait = syncpt_patch_wait,
|
||||
};
|
||||
|
|
|
|||
|
|
@ -21,6 +21,8 @@
|
|||
#include <linux/slab.h>
|
||||
#include <linux/irq.h>
|
||||
|
||||
#include <trace/events/host1x.h>
|
||||
#include "channel.h"
|
||||
#include "dev.h"
|
||||
#include "intr.h"
|
||||
|
||||
|
|
@ -66,7 +68,7 @@ static void remove_completed_waiters(struct list_head *head, u32 sync,
|
|||
struct list_head completed[HOST1X_INTR_ACTION_COUNT])
|
||||
{
|
||||
struct list_head *dest;
|
||||
struct host1x_waitlist *waiter, *next;
|
||||
struct host1x_waitlist *waiter, *next, *prev;
|
||||
|
||||
list_for_each_entry_safe(waiter, next, head, list) {
|
||||
if ((s32)(waiter->thresh - sync) > 0)
|
||||
|
|
@ -74,6 +76,17 @@ static void remove_completed_waiters(struct list_head *head, u32 sync,
|
|||
|
||||
dest = completed + waiter->action;
|
||||
|
||||
/* consolidate submit cleanups */
|
||||
if (waiter->action == HOST1X_INTR_ACTION_SUBMIT_COMPLETE &&
|
||||
!list_empty(dest)) {
|
||||
prev = list_entry(dest->prev,
|
||||
struct host1x_waitlist, list);
|
||||
if (prev->data == waiter->data) {
|
||||
prev->count++;
|
||||
dest = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* PENDING->REMOVED or CANCELLED->HANDLED */
|
||||
if (atomic_inc_return(&waiter->state) == WLS_HANDLED || !dest) {
|
||||
list_del(&waiter->list);
|
||||
|
|
@ -94,6 +107,18 @@ static void reset_threshold_interrupt(struct host1x *host,
|
|||
host1x_hw_intr_enable_syncpt_intr(host, id);
|
||||
}
|
||||
|
||||
static void action_submit_complete(struct host1x_waitlist *waiter)
|
||||
{
|
||||
struct host1x_channel *channel = waiter->data;
|
||||
|
||||
host1x_cdma_update(&channel->cdma);
|
||||
|
||||
/* Add nr_completed to trace */
|
||||
trace_host1x_channel_submit_complete(dev_name(channel->dev),
|
||||
waiter->count, waiter->thresh);
|
||||
|
||||
}
|
||||
|
||||
static void action_wakeup(struct host1x_waitlist *waiter)
|
||||
{
|
||||
wait_queue_head_t *wq = waiter->data;
|
||||
|
|
@ -109,6 +134,7 @@ static void action_wakeup_interruptible(struct host1x_waitlist *waiter)
|
|||
typedef void (*action_handler)(struct host1x_waitlist *waiter);
|
||||
|
||||
static action_handler action_handlers[HOST1X_INTR_ACTION_COUNT] = {
|
||||
action_submit_complete,
|
||||
action_wakeup,
|
||||
action_wakeup_interruptible,
|
||||
};
|
||||
|
|
|
|||
|
|
@ -25,6 +25,12 @@
|
|||
struct host1x;
|
||||
|
||||
enum host1x_intr_action {
|
||||
/*
|
||||
* Perform cleanup after a submit has completed.
|
||||
* 'data' points to a channel
|
||||
*/
|
||||
HOST1X_INTR_ACTION_SUBMIT_COMPLETE = 0,
|
||||
|
||||
/*
|
||||
* Wake up a task.
|
||||
* 'data' points to a wait_queue_head_t
|
||||
|
|
|
|||
603
drivers/gpu/host1x/job.c
Normal file
603
drivers/gpu/host1x/job.c
Normal file
|
|
@ -0,0 +1,603 @@
|
|||
/*
|
||||
* Tegra host1x Job
|
||||
*
|
||||
* Copyright (c) 2010-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/kref.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/scatterlist.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/vmalloc.h>
|
||||
#include <trace/events/host1x.h>
|
||||
|
||||
#include "channel.h"
|
||||
#include "dev.h"
|
||||
#include "host1x_bo.h"
|
||||
#include "job.h"
|
||||
#include "syncpt.h"
|
||||
|
||||
struct host1x_job *host1x_job_alloc(struct host1x_channel *ch,
|
||||
u32 num_cmdbufs, u32 num_relocs,
|
||||
u32 num_waitchks)
|
||||
{
|
||||
struct host1x_job *job = NULL;
|
||||
unsigned int num_unpins = num_cmdbufs + num_relocs;
|
||||
u64 total;
|
||||
void *mem;
|
||||
|
||||
/* Check that we're not going to overflow */
|
||||
total = sizeof(struct host1x_job) +
|
||||
num_relocs * sizeof(struct host1x_reloc) +
|
||||
num_unpins * sizeof(struct host1x_job_unpin_data) +
|
||||
num_waitchks * sizeof(struct host1x_waitchk) +
|
||||
num_cmdbufs * sizeof(struct host1x_job_gather) +
|
||||
num_unpins * sizeof(dma_addr_t) +
|
||||
num_unpins * sizeof(u32 *);
|
||||
if (total > ULONG_MAX)
|
||||
return NULL;
|
||||
|
||||
mem = job = kzalloc(total, GFP_KERNEL);
|
||||
if (!job)
|
||||
return NULL;
|
||||
|
||||
kref_init(&job->ref);
|
||||
job->channel = ch;
|
||||
|
||||
/* Redistribute memory to the structs */
|
||||
mem += sizeof(struct host1x_job);
|
||||
job->relocarray = num_relocs ? mem : NULL;
|
||||
mem += num_relocs * sizeof(struct host1x_reloc);
|
||||
job->unpins = num_unpins ? mem : NULL;
|
||||
mem += num_unpins * sizeof(struct host1x_job_unpin_data);
|
||||
job->waitchk = num_waitchks ? mem : NULL;
|
||||
mem += num_waitchks * sizeof(struct host1x_waitchk);
|
||||
job->gathers = num_cmdbufs ? mem : NULL;
|
||||
mem += num_cmdbufs * sizeof(struct host1x_job_gather);
|
||||
job->addr_phys = num_unpins ? mem : NULL;
|
||||
|
||||
job->reloc_addr_phys = job->addr_phys;
|
||||
job->gather_addr_phys = &job->addr_phys[num_relocs];
|
||||
|
||||
return job;
|
||||
}
|
||||
|
||||
struct host1x_job *host1x_job_get(struct host1x_job *job)
|
||||
{
|
||||
kref_get(&job->ref);
|
||||
return job;
|
||||
}
|
||||
|
||||
static void job_free(struct kref *ref)
|
||||
{
|
||||
struct host1x_job *job = container_of(ref, struct host1x_job, ref);
|
||||
|
||||
kfree(job);
|
||||
}
|
||||
|
||||
void host1x_job_put(struct host1x_job *job)
|
||||
{
|
||||
kref_put(&job->ref, job_free);
|
||||
}
|
||||
|
||||
void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *bo,
|
||||
u32 words, u32 offset)
|
||||
{
|
||||
struct host1x_job_gather *cur_gather = &job->gathers[job->num_gathers];
|
||||
|
||||
cur_gather->words = words;
|
||||
cur_gather->bo = bo;
|
||||
cur_gather->offset = offset;
|
||||
job->num_gathers++;
|
||||
}
|
||||
|
||||
/*
|
||||
* NULL an already satisfied WAIT_SYNCPT host method, by patching its
|
||||
* args in the command stream. The method data is changed to reference
|
||||
* a reserved (never given out or incr) HOST1X_SYNCPT_RESERVED syncpt
|
||||
* with a matching threshold value of 0, so is guaranteed to be popped
|
||||
* by the host HW.
|
||||
*/
|
||||
static void host1x_syncpt_patch_offset(struct host1x_syncpt *sp,
|
||||
struct host1x_bo *h, u32 offset)
|
||||
{
|
||||
void *patch_addr = NULL;
|
||||
|
||||
/* patch the wait */
|
||||
patch_addr = host1x_bo_kmap(h, offset >> PAGE_SHIFT);
|
||||
if (patch_addr) {
|
||||
host1x_syncpt_patch_wait(sp,
|
||||
patch_addr + (offset & ~PAGE_MASK));
|
||||
host1x_bo_kunmap(h, offset >> PAGE_SHIFT, patch_addr);
|
||||
} else
|
||||
pr_err("Could not map cmdbuf for wait check\n");
|
||||
}
|
||||
|
||||
/*
|
||||
* Check driver supplied waitchk structs for syncpt thresholds
|
||||
* that have already been satisfied and NULL the comparison (to
|
||||
* avoid a wrap condition in the HW).
|
||||
*/
|
||||
static int do_waitchks(struct host1x_job *job, struct host1x *host,
|
||||
struct host1x_bo *patch)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* compare syncpt vs wait threshold */
|
||||
for (i = 0; i < job->num_waitchk; i++) {
|
||||
struct host1x_waitchk *wait = &job->waitchk[i];
|
||||
struct host1x_syncpt *sp =
|
||||
host1x_syncpt_get(host, wait->syncpt_id);
|
||||
|
||||
/* validate syncpt id */
|
||||
if (wait->syncpt_id > host1x_syncpt_nb_pts(host))
|
||||
continue;
|
||||
|
||||
/* skip all other gathers */
|
||||
if (patch != wait->bo)
|
||||
continue;
|
||||
|
||||
trace_host1x_syncpt_wait_check(wait->bo, wait->offset,
|
||||
wait->syncpt_id, wait->thresh,
|
||||
host1x_syncpt_read_min(sp));
|
||||
|
||||
if (host1x_syncpt_is_expired(sp, wait->thresh)) {
|
||||
dev_dbg(host->dev,
|
||||
"drop WAIT id %d (%s) thresh 0x%x, min 0x%x\n",
|
||||
wait->syncpt_id, sp->name, wait->thresh,
|
||||
host1x_syncpt_read_min(sp));
|
||||
|
||||
host1x_syncpt_patch_offset(sp, patch, wait->offset);
|
||||
}
|
||||
|
||||
wait->bo = NULL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static unsigned int pin_job(struct host1x_job *job)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
job->num_unpins = 0;
|
||||
|
||||
for (i = 0; i < job->num_relocs; i++) {
|
||||
struct host1x_reloc *reloc = &job->relocarray[i];
|
||||
struct sg_table *sgt;
|
||||
dma_addr_t phys_addr;
|
||||
|
||||
reloc->target = host1x_bo_get(reloc->target);
|
||||
if (!reloc->target)
|
||||
goto unpin;
|
||||
|
||||
phys_addr = host1x_bo_pin(reloc->target, &sgt);
|
||||
if (!phys_addr)
|
||||
goto unpin;
|
||||
|
||||
job->addr_phys[job->num_unpins] = phys_addr;
|
||||
job->unpins[job->num_unpins].bo = reloc->target;
|
||||
job->unpins[job->num_unpins].sgt = sgt;
|
||||
job->num_unpins++;
|
||||
}
|
||||
|
||||
for (i = 0; i < job->num_gathers; i++) {
|
||||
struct host1x_job_gather *g = &job->gathers[i];
|
||||
struct sg_table *sgt;
|
||||
dma_addr_t phys_addr;
|
||||
|
||||
g->bo = host1x_bo_get(g->bo);
|
||||
if (!g->bo)
|
||||
goto unpin;
|
||||
|
||||
phys_addr = host1x_bo_pin(g->bo, &sgt);
|
||||
if (!phys_addr)
|
||||
goto unpin;
|
||||
|
||||
job->addr_phys[job->num_unpins] = phys_addr;
|
||||
job->unpins[job->num_unpins].bo = g->bo;
|
||||
job->unpins[job->num_unpins].sgt = sgt;
|
||||
job->num_unpins++;
|
||||
}
|
||||
|
||||
return job->num_unpins;
|
||||
|
||||
unpin:
|
||||
host1x_job_unpin(job);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static unsigned int do_relocs(struct host1x_job *job, struct host1x_bo *cmdbuf)
|
||||
{
|
||||
int i = 0;
|
||||
u32 last_page = ~0;
|
||||
void *cmdbuf_page_addr = NULL;
|
||||
|
||||
/* pin & patch the relocs for one gather */
|
||||
while (i < job->num_relocs) {
|
||||
struct host1x_reloc *reloc = &job->relocarray[i];
|
||||
u32 reloc_addr = (job->reloc_addr_phys[i] +
|
||||
reloc->target_offset) >> reloc->shift;
|
||||
u32 *target;
|
||||
|
||||
/* skip all other gathers */
|
||||
if (!(reloc->cmdbuf && cmdbuf == reloc->cmdbuf)) {
|
||||
i++;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (last_page != reloc->cmdbuf_offset >> PAGE_SHIFT) {
|
||||
if (cmdbuf_page_addr)
|
||||
host1x_bo_kunmap(cmdbuf, last_page,
|
||||
cmdbuf_page_addr);
|
||||
|
||||
cmdbuf_page_addr = host1x_bo_kmap(cmdbuf,
|
||||
reloc->cmdbuf_offset >> PAGE_SHIFT);
|
||||
last_page = reloc->cmdbuf_offset >> PAGE_SHIFT;
|
||||
|
||||
if (unlikely(!cmdbuf_page_addr)) {
|
||||
pr_err("Could not map cmdbuf for relocation\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
}
|
||||
|
||||
target = cmdbuf_page_addr + (reloc->cmdbuf_offset & ~PAGE_MASK);
|
||||
*target = reloc_addr;
|
||||
|
||||
/* mark this gather as handled */
|
||||
reloc->cmdbuf = 0;
|
||||
}
|
||||
|
||||
if (cmdbuf_page_addr)
|
||||
host1x_bo_kunmap(cmdbuf, last_page, cmdbuf_page_addr);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_reloc(struct host1x_reloc *reloc, struct host1x_bo *cmdbuf,
|
||||
unsigned int offset)
|
||||
{
|
||||
offset *= sizeof(u32);
|
||||
|
||||
if (reloc->cmdbuf != cmdbuf || reloc->cmdbuf_offset != offset)
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct host1x_firewall {
|
||||
struct host1x_job *job;
|
||||
struct device *dev;
|
||||
|
||||
unsigned int num_relocs;
|
||||
struct host1x_reloc *reloc;
|
||||
|
||||
struct host1x_bo *cmdbuf_id;
|
||||
unsigned int offset;
|
||||
|
||||
u32 words;
|
||||
u32 class;
|
||||
u32 reg;
|
||||
u32 mask;
|
||||
u32 count;
|
||||
};
|
||||
|
||||
static int check_mask(struct host1x_firewall *fw)
|
||||
{
|
||||
u32 mask = fw->mask;
|
||||
u32 reg = fw->reg;
|
||||
|
||||
while (mask) {
|
||||
if (fw->words == 0)
|
||||
return -EINVAL;
|
||||
|
||||
if (mask & 1) {
|
||||
if (fw->job->is_addr_reg(fw->dev, fw->class, reg)) {
|
||||
bool bad_reloc = check_reloc(fw->reloc,
|
||||
fw->cmdbuf_id,
|
||||
fw->offset);
|
||||
if (!fw->num_relocs || bad_reloc)
|
||||
return -EINVAL;
|
||||
fw->reloc++;
|
||||
fw->num_relocs--;
|
||||
}
|
||||
fw->words--;
|
||||
fw->offset++;
|
||||
}
|
||||
mask >>= 1;
|
||||
reg++;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_incr(struct host1x_firewall *fw)
|
||||
{
|
||||
u32 count = fw->count;
|
||||
u32 reg = fw->reg;
|
||||
|
||||
while (fw) {
|
||||
if (fw->words == 0)
|
||||
return -EINVAL;
|
||||
|
||||
if (fw->job->is_addr_reg(fw->dev, fw->class, reg)) {
|
||||
bool bad_reloc = check_reloc(fw->reloc, fw->cmdbuf_id,
|
||||
fw->offset);
|
||||
if (!fw->num_relocs || bad_reloc)
|
||||
return -EINVAL;
|
||||
fw->reloc++;
|
||||
fw->num_relocs--;
|
||||
}
|
||||
reg++;
|
||||
fw->words--;
|
||||
fw->offset++;
|
||||
count--;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int check_nonincr(struct host1x_firewall *fw)
|
||||
{
|
||||
int is_addr_reg = fw->job->is_addr_reg(fw->dev, fw->class, fw->reg);
|
||||
u32 count = fw->count;
|
||||
|
||||
while (count) {
|
||||
if (fw->words == 0)
|
||||
return -EINVAL;
|
||||
|
||||
if (is_addr_reg) {
|
||||
bool bad_reloc = check_reloc(fw->reloc, fw->cmdbuf_id,
|
||||
fw->offset);
|
||||
if (!fw->num_relocs || bad_reloc)
|
||||
return -EINVAL;
|
||||
fw->reloc++;
|
||||
fw->num_relocs--;
|
||||
}
|
||||
fw->words--;
|
||||
fw->offset++;
|
||||
count--;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int validate(struct host1x_job *job, struct device *dev,
|
||||
struct host1x_job_gather *g)
|
||||
{
|
||||
u32 *cmdbuf_base;
|
||||
int err = 0;
|
||||
struct host1x_firewall fw;
|
||||
|
||||
fw.job = job;
|
||||
fw.dev = dev;
|
||||
fw.reloc = job->relocarray;
|
||||
fw.num_relocs = job->num_relocs;
|
||||
fw.cmdbuf_id = g->bo;
|
||||
|
||||
fw.offset = 0;
|
||||
fw.class = 0;
|
||||
|
||||
if (!job->is_addr_reg)
|
||||
return 0;
|
||||
|
||||
cmdbuf_base = host1x_bo_mmap(g->bo);
|
||||
if (!cmdbuf_base)
|
||||
return -ENOMEM;
|
||||
|
||||
fw.words = g->words;
|
||||
while (fw.words && !err) {
|
||||
u32 word = cmdbuf_base[fw.offset];
|
||||
u32 opcode = (word & 0xf0000000) >> 28;
|
||||
|
||||
fw.mask = 0;
|
||||
fw.reg = 0;
|
||||
fw.count = 0;
|
||||
fw.words--;
|
||||
fw.offset++;
|
||||
|
||||
switch (opcode) {
|
||||
case 0:
|
||||
fw.class = word >> 6 & 0x3ff;
|
||||
fw.mask = word & 0x3f;
|
||||
fw.reg = word >> 16 & 0xfff;
|
||||
err = check_mask(&fw);
|
||||
if (err)
|
||||
goto out;
|
||||
break;
|
||||
case 1:
|
||||
fw.reg = word >> 16 & 0xfff;
|
||||
fw.count = word & 0xffff;
|
||||
err = check_incr(&fw);
|
||||
if (err)
|
||||
goto out;
|
||||
break;
|
||||
|
||||
case 2:
|
||||
fw.reg = word >> 16 & 0xfff;
|
||||
fw.count = word & 0xffff;
|
||||
err = check_nonincr(&fw);
|
||||
if (err)
|
||||
goto out;
|
||||
break;
|
||||
|
||||
case 3:
|
||||
fw.mask = word & 0xffff;
|
||||
fw.reg = word >> 16 & 0xfff;
|
||||
err = check_mask(&fw);
|
||||
if (err)
|
||||
goto out;
|
||||
break;
|
||||
case 4:
|
||||
case 5:
|
||||
case 14:
|
||||
break;
|
||||
default:
|
||||
err = -EINVAL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* No relocs should remain at this point */
|
||||
if (fw.num_relocs)
|
||||
err = -EINVAL;
|
||||
|
||||
out:
|
||||
host1x_bo_munmap(g->bo, cmdbuf_base);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static inline int copy_gathers(struct host1x_job *job, struct device *dev)
|
||||
{
|
||||
size_t size = 0;
|
||||
size_t offset = 0;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < job->num_gathers; i++) {
|
||||
struct host1x_job_gather *g = &job->gathers[i];
|
||||
size += g->words * sizeof(u32);
|
||||
}
|
||||
|
||||
job->gather_copy_mapped = dma_alloc_writecombine(dev, size,
|
||||
&job->gather_copy,
|
||||
GFP_KERNEL);
|
||||
if (!job->gather_copy_mapped) {
|
||||
int err = PTR_ERR(job->gather_copy_mapped);
|
||||
job->gather_copy_mapped = NULL;
|
||||
return err;
|
||||
}
|
||||
|
||||
job->gather_copy_size = size;
|
||||
|
||||
for (i = 0; i < job->num_gathers; i++) {
|
||||
struct host1x_job_gather *g = &job->gathers[i];
|
||||
void *gather;
|
||||
|
||||
gather = host1x_bo_mmap(g->bo);
|
||||
memcpy(job->gather_copy_mapped + offset, gather + g->offset,
|
||||
g->words * sizeof(u32));
|
||||
host1x_bo_munmap(g->bo, gather);
|
||||
|
||||
g->base = job->gather_copy;
|
||||
g->offset = offset;
|
||||
g->bo = NULL;
|
||||
|
||||
offset += g->words * sizeof(u32);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int host1x_job_pin(struct host1x_job *job, struct device *dev)
|
||||
{
|
||||
int err;
|
||||
unsigned int i, j;
|
||||
struct host1x *host = dev_get_drvdata(dev->parent);
|
||||
DECLARE_BITMAP(waitchk_mask, host1x_syncpt_nb_pts(host));
|
||||
|
||||
bitmap_zero(waitchk_mask, host1x_syncpt_nb_pts(host));
|
||||
for (i = 0; i < job->num_waitchk; i++) {
|
||||
u32 syncpt_id = job->waitchk[i].syncpt_id;
|
||||
if (syncpt_id < host1x_syncpt_nb_pts(host))
|
||||
set_bit(syncpt_id, waitchk_mask);
|
||||
}
|
||||
|
||||
/* get current syncpt values for waitchk */
|
||||
for_each_set_bit(i, waitchk_mask, host1x_syncpt_nb_pts(host))
|
||||
host1x_syncpt_load(host->syncpt + i);
|
||||
|
||||
/* pin memory */
|
||||
err = pin_job(job);
|
||||
if (!err)
|
||||
goto out;
|
||||
|
||||
/* patch gathers */
|
||||
for (i = 0; i < job->num_gathers; i++) {
|
||||
struct host1x_job_gather *g = &job->gathers[i];
|
||||
|
||||
/* process each gather mem only once */
|
||||
if (g->handled)
|
||||
continue;
|
||||
|
||||
g->base = job->gather_addr_phys[i];
|
||||
|
||||
for (j = 0; j < job->num_gathers; j++)
|
||||
if (job->gathers[j].bo == g->bo)
|
||||
job->gathers[j].handled = true;
|
||||
|
||||
err = 0;
|
||||
|
||||
if (IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL))
|
||||
err = validate(job, dev, g);
|
||||
|
||||
if (err)
|
||||
dev_err(dev, "Job invalid (err=%d)\n", err);
|
||||
|
||||
if (!err)
|
||||
err = do_relocs(job, g->bo);
|
||||
|
||||
if (!err)
|
||||
err = do_waitchks(job, host, g->bo);
|
||||
|
||||
if (err)
|
||||
break;
|
||||
}
|
||||
|
||||
if (IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL) && !err) {
|
||||
err = copy_gathers(job, dev);
|
||||
if (err) {
|
||||
host1x_job_unpin(job);
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
wmb();
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
void host1x_job_unpin(struct host1x_job *job)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0; i < job->num_unpins; i++) {
|
||||
struct host1x_job_unpin_data *unpin = &job->unpins[i];
|
||||
host1x_bo_unpin(unpin->bo, unpin->sgt);
|
||||
host1x_bo_put(unpin->bo);
|
||||
}
|
||||
job->num_unpins = 0;
|
||||
|
||||
if (job->gather_copy_size)
|
||||
dma_free_writecombine(job->channel->dev, job->gather_copy_size,
|
||||
job->gather_copy_mapped,
|
||||
job->gather_copy);
|
||||
}
|
||||
|
||||
/*
|
||||
* Debug routine used to dump job entries
|
||||
*/
|
||||
void host1x_job_dump(struct device *dev, struct host1x_job *job)
|
||||
{
|
||||
dev_dbg(dev, " SYNCPT_ID %d\n", job->syncpt_id);
|
||||
dev_dbg(dev, " SYNCPT_VAL %d\n", job->syncpt_end);
|
||||
dev_dbg(dev, " FIRST_GET 0x%x\n", job->first_get);
|
||||
dev_dbg(dev, " TIMEOUT %d\n", job->timeout);
|
||||
dev_dbg(dev, " NUM_SLOTS %d\n", job->num_slots);
|
||||
dev_dbg(dev, " NUM_HANDLES %d\n", job->num_unpins);
|
||||
}
|
||||
162
drivers/gpu/host1x/job.h
Normal file
162
drivers/gpu/host1x/job.h
Normal file
|
|
@ -0,0 +1,162 @@
|
|||
/*
|
||||
* Tegra host1x Job
|
||||
*
|
||||
* Copyright (c) 2011-2013, NVIDIA Corporation.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef __HOST1X_JOB_H
|
||||
#define __HOST1X_JOB_H
|
||||
|
||||
struct host1x_job_gather {
|
||||
u32 words;
|
||||
dma_addr_t base;
|
||||
struct host1x_bo *bo;
|
||||
int offset;
|
||||
bool handled;
|
||||
};
|
||||
|
||||
struct host1x_cmdbuf {
|
||||
u32 handle;
|
||||
u32 offset;
|
||||
u32 words;
|
||||
u32 pad;
|
||||
};
|
||||
|
||||
struct host1x_reloc {
|
||||
struct host1x_bo *cmdbuf;
|
||||
u32 cmdbuf_offset;
|
||||
struct host1x_bo *target;
|
||||
u32 target_offset;
|
||||
u32 shift;
|
||||
u32 pad;
|
||||
};
|
||||
|
||||
struct host1x_waitchk {
|
||||
struct host1x_bo *bo;
|
||||
u32 offset;
|
||||
u32 syncpt_id;
|
||||
u32 thresh;
|
||||
};
|
||||
|
||||
struct host1x_job_unpin_data {
|
||||
struct host1x_bo *bo;
|
||||
struct sg_table *sgt;
|
||||
};
|
||||
|
||||
/*
|
||||
* Each submit is tracked as a host1x_job.
|
||||
*/
|
||||
struct host1x_job {
|
||||
/* When refcount goes to zero, job can be freed */
|
||||
struct kref ref;
|
||||
|
||||
/* List entry */
|
||||
struct list_head list;
|
||||
|
||||
/* Channel where job is submitted to */
|
||||
struct host1x_channel *channel;
|
||||
|
||||
u32 client;
|
||||
|
||||
/* Gathers and their memory */
|
||||
struct host1x_job_gather *gathers;
|
||||
unsigned int num_gathers;
|
||||
|
||||
/* Wait checks to be processed at submit time */
|
||||
struct host1x_waitchk *waitchk;
|
||||
unsigned int num_waitchk;
|
||||
u32 waitchk_mask;
|
||||
|
||||
/* Array of handles to be pinned & unpinned */
|
||||
struct host1x_reloc *relocarray;
|
||||
unsigned int num_relocs;
|
||||
struct host1x_job_unpin_data *unpins;
|
||||
unsigned int num_unpins;
|
||||
|
||||
dma_addr_t *addr_phys;
|
||||
dma_addr_t *gather_addr_phys;
|
||||
dma_addr_t *reloc_addr_phys;
|
||||
|
||||
/* Sync point id, number of increments and end related to the submit */
|
||||
u32 syncpt_id;
|
||||
u32 syncpt_incrs;
|
||||
u32 syncpt_end;
|
||||
|
||||
/* Maximum time to wait for this job */
|
||||
unsigned int timeout;
|
||||
|
||||
/* Index and number of slots used in the push buffer */
|
||||
unsigned int first_get;
|
||||
unsigned int num_slots;
|
||||
|
||||
/* Copy of gathers */
|
||||
size_t gather_copy_size;
|
||||
dma_addr_t gather_copy;
|
||||
u8 *gather_copy_mapped;
|
||||
|
||||
/* Check if register is marked as an address reg */
|
||||
int (*is_addr_reg)(struct device *dev, u32 reg, u32 class);
|
||||
|
||||
/* Request a SETCLASS to this class */
|
||||
u32 class;
|
||||
|
||||
/* Add a channel wait for previous ops to complete */
|
||||
bool serialize;
|
||||
};
|
||||
/*
|
||||
* Allocate memory for a job. Just enough memory will be allocated to
|
||||
* accomodate the submit.
|
||||
*/
|
||||
struct host1x_job *host1x_job_alloc(struct host1x_channel *ch,
|
||||
u32 num_cmdbufs, u32 num_relocs,
|
||||
u32 num_waitchks);
|
||||
|
||||
/*
|
||||
* Add a gather to a job.
|
||||
*/
|
||||
void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *mem_id,
|
||||
u32 words, u32 offset);
|
||||
|
||||
/*
|
||||
* Increment reference going to host1x_job.
|
||||
*/
|
||||
struct host1x_job *host1x_job_get(struct host1x_job *job);
|
||||
|
||||
/*
|
||||
* Decrement reference job, free if goes to zero.
|
||||
*/
|
||||
void host1x_job_put(struct host1x_job *job);
|
||||
|
||||
/*
|
||||
* Pin memory related to job. This handles relocation of addresses to the
|
||||
* host1x address space. Handles both the gather memory and any other memory
|
||||
* referred to from the gather buffers.
|
||||
*
|
||||
* Handles also patching out host waits that would wait for an expired sync
|
||||
* point value.
|
||||
*/
|
||||
int host1x_job_pin(struct host1x_job *job, struct device *dev);
|
||||
|
||||
/*
|
||||
* Unpin memory related to job.
|
||||
*/
|
||||
void host1x_job_unpin(struct host1x_job *job);
|
||||
|
||||
/*
|
||||
* Dump contents of job to debug output.
|
||||
*/
|
||||
void host1x_job_dump(struct device *dev, struct host1x_job *job);
|
||||
|
||||
#endif
|
||||
|
|
@ -300,6 +300,12 @@ bool host1x_syncpt_is_expired(struct host1x_syncpt *sp, u32 thresh)
|
|||
return (s32)(current_val - thresh) >= 0;
|
||||
}
|
||||
|
||||
/* remove a wait pointed to by patch_addr */
|
||||
int host1x_syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr)
|
||||
{
|
||||
return host1x_hw_syncpt_patch_wait(sp->host, sp, patch_addr);
|
||||
}
|
||||
|
||||
int host1x_syncpt_init(struct host1x *host)
|
||||
{
|
||||
struct host1x_syncpt *syncpt;
|
||||
|
|
@ -319,6 +325,11 @@ int host1x_syncpt_init(struct host1x *host)
|
|||
|
||||
host1x_syncpt_restore(host);
|
||||
|
||||
/* Allocate sync point to use for clearing waits for expired fences */
|
||||
host->nop_sp = _host1x_syncpt_alloc(host, NULL, 0);
|
||||
if (!host->nop_sp)
|
||||
return -ENOMEM;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -27,6 +27,9 @@
|
|||
|
||||
struct host1x;
|
||||
|
||||
/* Reserved for replacing an expired wait with a NOP */
|
||||
#define HOST1X_SYNCPT_RESERVED 0
|
||||
|
||||
struct host1x_syncpt {
|
||||
int id;
|
||||
atomic_t min_val;
|
||||
|
|
@ -146,6 +149,9 @@ static inline int host1x_syncpt_is_valid(struct host1x_syncpt *sp)
|
|||
return sp->id < host1x_syncpt_nb_pts(sp->host);
|
||||
}
|
||||
|
||||
/* Patch a wait by replacing it with a wait for syncpt 0 value 0 */
|
||||
int host1x_syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr);
|
||||
|
||||
/* Return id of the sync point */
|
||||
u32 host1x_syncpt_id(struct host1x_syncpt *sp);
|
||||
|
||||
|
|
|
|||
|
|
@ -37,6 +37,171 @@ DECLARE_EVENT_CLASS(host1x,
|
|||
TP_printk("name=%s", __entry->name)
|
||||
);
|
||||
|
||||
DEFINE_EVENT(host1x, host1x_channel_open,
|
||||
TP_PROTO(const char *name),
|
||||
TP_ARGS(name)
|
||||
);
|
||||
|
||||
DEFINE_EVENT(host1x, host1x_channel_release,
|
||||
TP_PROTO(const char *name),
|
||||
TP_ARGS(name)
|
||||
);
|
||||
|
||||
DEFINE_EVENT(host1x, host1x_cdma_begin,
|
||||
TP_PROTO(const char *name),
|
||||
TP_ARGS(name)
|
||||
);
|
||||
|
||||
DEFINE_EVENT(host1x, host1x_cdma_end,
|
||||
TP_PROTO(const char *name),
|
||||
TP_ARGS(name)
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_cdma_push,
|
||||
TP_PROTO(const char *name, u32 op1, u32 op2),
|
||||
|
||||
TP_ARGS(name, op1, op2),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(const char *, name)
|
||||
__field(u32, op1)
|
||||
__field(u32, op2)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->name = name;
|
||||
__entry->op1 = op1;
|
||||
__entry->op2 = op2;
|
||||
),
|
||||
|
||||
TP_printk("name=%s, op1=%08x, op2=%08x",
|
||||
__entry->name, __entry->op1, __entry->op2)
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_cdma_push_gather,
|
||||
TP_PROTO(const char *name, u32 mem_id,
|
||||
u32 words, u32 offset, void *cmdbuf),
|
||||
|
||||
TP_ARGS(name, mem_id, words, offset, cmdbuf),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(const char *, name)
|
||||
__field(u32, mem_id)
|
||||
__field(u32, words)
|
||||
__field(u32, offset)
|
||||
__field(bool, cmdbuf)
|
||||
__dynamic_array(u32, cmdbuf, words)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
if (cmdbuf) {
|
||||
memcpy(__get_dynamic_array(cmdbuf), cmdbuf+offset,
|
||||
words * sizeof(u32));
|
||||
}
|
||||
__entry->cmdbuf = cmdbuf;
|
||||
__entry->name = name;
|
||||
__entry->mem_id = mem_id;
|
||||
__entry->words = words;
|
||||
__entry->offset = offset;
|
||||
),
|
||||
|
||||
TP_printk("name=%s, mem_id=%08x, words=%u, offset=%d, contents=[%s]",
|
||||
__entry->name, __entry->mem_id,
|
||||
__entry->words, __entry->offset,
|
||||
__print_hex(__get_dynamic_array(cmdbuf),
|
||||
__entry->cmdbuf ? __entry->words * 4 : 0))
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_channel_submit,
|
||||
TP_PROTO(const char *name, u32 cmdbufs, u32 relocs, u32 waitchks,
|
||||
u32 syncpt_id, u32 syncpt_incrs),
|
||||
|
||||
TP_ARGS(name, cmdbufs, relocs, waitchks, syncpt_id, syncpt_incrs),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(const char *, name)
|
||||
__field(u32, cmdbufs)
|
||||
__field(u32, relocs)
|
||||
__field(u32, waitchks)
|
||||
__field(u32, syncpt_id)
|
||||
__field(u32, syncpt_incrs)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->name = name;
|
||||
__entry->cmdbufs = cmdbufs;
|
||||
__entry->relocs = relocs;
|
||||
__entry->waitchks = waitchks;
|
||||
__entry->syncpt_id = syncpt_id;
|
||||
__entry->syncpt_incrs = syncpt_incrs;
|
||||
),
|
||||
|
||||
TP_printk("name=%s, cmdbufs=%u, relocs=%u, waitchks=%d,"
|
||||
"syncpt_id=%u, syncpt_incrs=%u",
|
||||
__entry->name, __entry->cmdbufs, __entry->relocs, __entry->waitchks,
|
||||
__entry->syncpt_id, __entry->syncpt_incrs)
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_channel_submitted,
|
||||
TP_PROTO(const char *name, u32 syncpt_base, u32 syncpt_max),
|
||||
|
||||
TP_ARGS(name, syncpt_base, syncpt_max),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(const char *, name)
|
||||
__field(u32, syncpt_base)
|
||||
__field(u32, syncpt_max)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->name = name;
|
||||
__entry->syncpt_base = syncpt_base;
|
||||
__entry->syncpt_max = syncpt_max;
|
||||
),
|
||||
|
||||
TP_printk("name=%s, syncpt_base=%d, syncpt_max=%d",
|
||||
__entry->name, __entry->syncpt_base, __entry->syncpt_max)
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_channel_submit_complete,
|
||||
TP_PROTO(const char *name, int count, u32 thresh),
|
||||
|
||||
TP_ARGS(name, count, thresh),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(const char *, name)
|
||||
__field(int, count)
|
||||
__field(u32, thresh)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->name = name;
|
||||
__entry->count = count;
|
||||
__entry->thresh = thresh;
|
||||
),
|
||||
|
||||
TP_printk("name=%s, count=%d, thresh=%d",
|
||||
__entry->name, __entry->count, __entry->thresh)
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_wait_cdma,
|
||||
TP_PROTO(const char *name, u32 eventid),
|
||||
|
||||
TP_ARGS(name, eventid),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(const char *, name)
|
||||
__field(u32, eventid)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->name = name;
|
||||
__entry->eventid = eventid;
|
||||
),
|
||||
|
||||
TP_printk("name=%s, event=%d", __entry->name, __entry->eventid)
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_syncpt_load_min,
|
||||
TP_PROTO(u32 id, u32 val),
|
||||
|
||||
|
|
@ -55,6 +220,33 @@ TRACE_EVENT(host1x_syncpt_load_min,
|
|||
TP_printk("id=%d, val=%d", __entry->id, __entry->val)
|
||||
);
|
||||
|
||||
TRACE_EVENT(host1x_syncpt_wait_check,
|
||||
TP_PROTO(void *mem_id, u32 offset, u32 syncpt_id, u32 thresh, u32 min),
|
||||
|
||||
TP_ARGS(mem_id, offset, syncpt_id, thresh, min),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(void *, mem_id)
|
||||
__field(u32, offset)
|
||||
__field(u32, syncpt_id)
|
||||
__field(u32, thresh)
|
||||
__field(u32, min)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->mem_id = mem_id;
|
||||
__entry->offset = offset;
|
||||
__entry->syncpt_id = syncpt_id;
|
||||
__entry->thresh = thresh;
|
||||
__entry->min = min;
|
||||
),
|
||||
|
||||
TP_printk("mem_id=%p, offset=%05x, id=%d, thresh=%d, current=%d",
|
||||
__entry->mem_id, __entry->offset,
|
||||
__entry->syncpt_id, __entry->thresh,
|
||||
__entry->min)
|
||||
);
|
||||
|
||||
#endif /* _TRACE_HOST1X_H */
|
||||
|
||||
/* This part must be outside protection */
|
||||
|
|
|
|||
Loading…
Reference in a new issue