diff options
author | Irui Wang <irui.wang@mediatek.com> | 2020-08-21 17:26:36 +0800 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2021-03-24 09:34:31 +0000 |
commit | 9a84a414bb99c38ce68c1c9900647a675bcb0b9d (patch) | |
tree | d213e60c546fbbd9488d04fe7839d405379b07e9 | |
parent | 99431467f88ce40d954ba6e292746aeb3618549a (diff) | |
download | chrome-ec-9a84a414bb99c38ce68c1c9900647a675bcb0b9d.tar.gz |
asurada_scp: add venc service
Adds venc (video encoder) service.
BRANCH=asurada
BUG=b:167466842
BUG=b:167469732
TEST=make BOARD=asurada_scp
Change-Id: Ifac5f7c9b711211260b14d35cdafb5774296917f
Signed-off-by: Tzung-Bi Shih <tzungbi@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2367813
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
-rw-r--r-- | board/asurada_scp/build.mk | 1 | ||||
-rw-r--r-- | board/asurada_scp/ec.tasklist | 3 | ||||
-rw-r--r-- | board/asurada_scp/venc.c | 85 | ||||
-rw-r--r-- | board/asurada_scp/venc.h | 26 |
4 files changed, 114 insertions, 1 deletions
diff --git a/board/asurada_scp/build.mk b/board/asurada_scp/build.mk index 80ffcdd5b2..60413bc639 100644 --- a/board/asurada_scp/build.mk +++ b/board/asurada_scp/build.mk @@ -11,3 +11,4 @@ CHIP_VARIANT:=mt8192 board-y=board.o board-$(HAS_TASK_VDEC_SERVICE)+=vdec.o +board-$(HAS_TASK_VENC_SERVICE)+=venc.o diff --git a/board/asurada_scp/ec.tasklist b/board/asurada_scp/ec.tasklist index 676d1951c3..584093683f 100644 --- a/board/asurada_scp/ec.tasklist +++ b/board/asurada_scp/ec.tasklist @@ -12,4 +12,5 @@ TASK_ALWAYS(HOSTCMD, host_command_task, NULL, LARGER_TASK_STACK_SIZE) \ TASK_ALWAYS(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE) \ TASK_ALWAYS(VDEC_SERVICE, vdec_service_task, NULL, TRENTA_TASK_STACK_SIZE) \ - TASK_ALWAYS(VDEC_CORE_SERVICE, vdec_core_service_task, NULL, TRENTA_TASK_STACK_SIZE) + TASK_ALWAYS(VDEC_CORE_SERVICE, vdec_core_service_task, NULL, TRENTA_TASK_STACK_SIZE) \ + TASK_ALWAYS(VENC_SERVICE, venc_service_task, NULL, TRENTA_TASK_STACK_SIZE) diff --git a/board/asurada_scp/venc.c b/board/asurada_scp/venc.c new file mode 100644 index 0000000000..de993209ec --- /dev/null +++ b/board/asurada_scp/venc.c @@ -0,0 +1,85 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "console.h" +#include "hooks.h" +#include "ipi_chip.h" +#include "queue.h" +#include "queue_policies.h" +#include "registers.h" +#include "task.h" +#include "util.h" +#include "venc.h" + +#define CPRINTF(format, args...) cprintf(CC_IPI, format, ##args) +#define CPRINTS(format, args...) cprints(CC_IPI, format, ##args) + +static void event_venc_written(struct consumer const *consumer, size_t count) +{ + task_wake(TASK_ID_VENC_SERVICE); +} +static struct consumer const event_venc_consumer; +static struct queue const event_venc_queue = QUEUE_DIRECT(8, + struct venc_msg, null_producer, event_venc_consumer); +static struct consumer const event_venc_consumer = { + .queue = &event_venc_queue, + .ops = &((struct consumer_ops const) { + .written = event_venc_written, + }), +}; + +/* Stub functions only provided by private overlays. */ +#ifndef HAVE_PRIVATE_MT8192 +void venc_h264_msg_handler(void *data) {} +#endif + +static void venc_h264_ipi_handler(int id, void *data, uint32_t len) +{ + struct venc_msg rsv_msg; + + if (!len) { + CPRINTS("len is zero."); + return; + } + + rsv_msg.type = VENC_H264; + memcpy(rsv_msg.msg, data, MIN(len, sizeof(rsv_msg.msg))); + + /* + * If there is no other IPI handler touch this queue, we don't need to + * interrupt_disable() or task_disable_irq(). + */ + if (!queue_add_unit(&event_venc_queue, &rsv_msg)) + CPRINTS("Could not send venc %d to the queue.", rsv_msg.type); +} +DECLARE_IPI(SCP_IPI_VENC_H264, venc_h264_ipi_handler, 0); + +void venc_service_task(void *u) +{ + struct venc_msg rsv_msg; + size_t size; + + typedef void (*venc_msg_handler)(void *msg); + static venc_msg_handler mtk_venc_msg_handle[VENC_MAX] = { + [VENC_H264] = venc_h264_msg_handler, + }; + + while (1) { + /* + * Queue unit is added in IPI handler, which is in ISR context. + * Disable IRQ to prevent a clobbered queue. + */ + ipi_disable_irq(); + size = queue_remove_unit(&event_venc_queue, &rsv_msg); + ipi_enable_irq(); + + if (!size) + task_wait_event(-1); + else if (mtk_venc_msg_handle[rsv_msg.type]) + mtk_venc_msg_handle[rsv_msg.type](rsv_msg.msg); + else + CPRINTS("venc handler %d not exists.", rsv_msg.type); + } +} diff --git a/board/asurada_scp/venc.h b/board/asurada_scp/venc.h new file mode 100644 index 0000000000..47454c4507 --- /dev/null +++ b/board/asurada_scp/venc.h @@ -0,0 +1,26 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef __CROS_EC_SCP_VENC_H +#define __CROS_EC_SCP_VENC_H + +#include "compile_time_macros.h" + +enum venc_type { + VENC_H264, + VENC_MAX, +}; + +struct venc_msg { + enum venc_type type; + unsigned char msg[288]; +}; +BUILD_ASSERT(member_size(struct venc_msg, msg) <= + CONFIG_IPC_SHARED_OBJ_BUF_SIZE); + +/* Functions provided by private overlay. */ +void venc_h264_msg_handler(void *data); + +#endif /* __CROS_EC_SCP_VENC_H */ |