diff options
Diffstat (limited to 'baseboard/mtscp-rv32i/vdec.c')
-rw-r--r-- | baseboard/mtscp-rv32i/vdec.c | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/baseboard/mtscp-rv32i/vdec.c b/baseboard/mtscp-rv32i/vdec.c deleted file mode 100644 index c3f5f5a9cf..0000000000 --- a/baseboard/mtscp-rv32i/vdec.c +++ /dev/null @@ -1,136 +0,0 @@ -/* 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 "vdec.h" - -#define CPRINTF(format, args...) cprintf(CC_IPI, format, ##args) -#define CPRINTS(format, args...) cprints(CC_IPI, format, ##args) - -static void event_vdec_written(struct consumer const *consumer, size_t count) -{ - task_wake(TASK_ID_VDEC_SERVICE); -} -static struct consumer const event_vdec_consumer; -static struct queue const event_vdec_queue = QUEUE_DIRECT(8, - struct vdec_msg, null_producer, event_vdec_consumer); -static struct consumer const event_vdec_consumer = { - .queue = &event_vdec_queue, - .ops = &((struct consumer_ops const) { - .written = event_vdec_written, - }), -}; - -static void event_vdec_core_written(struct consumer const *consumer, - size_t count) -{ - task_wake(TASK_ID_VDEC_CORE_SERVICE); -} -static struct consumer const event_vdec_core_consumer; -static struct queue const event_vdec_core_queue = QUEUE_DIRECT(8, - struct vdec_msg, null_producer, event_vdec_core_consumer); -static struct consumer const event_vdec_core_consumer = { - .queue = &event_vdec_core_queue, - .ops = &((struct consumer_ops const) { - .written = event_vdec_core_written, - }), -}; - -/* Stub functions only provided by private overlays. */ -#ifndef HAVE_PRIVATE_MT_SCP -void vdec_msg_handler(void *data) {} -void vdec_core_msg_handler(void *data) {} -#endif - -static void vdec_h264_ipi_handler(int id, void *data, uint32_t len) -{ - struct vdec_msg rsv_msg; - - if (!len) { - CPRINTS("len is zero."); - return; - } - - rsv_msg.type = VDEC_LAT; - 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_vdec_queue, &rsv_msg)) - CPRINTS("Could not send vdec %d to the queue.", rsv_msg.type); -} -DECLARE_IPI(SCP_IPI_VDEC_LAT, vdec_h264_ipi_handler, 0); - -static void vdec_h264_ipi_core_handler(int id, void *data, uint32_t len) -{ - struct vdec_msg rsv_msg; - - if (!len) { - CPRINTS("len is zero."); - return; - } - - rsv_msg.type = VDEC_CORE; - 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_vdec_core_queue, &rsv_msg)) - CPRINTS("Could not send vdec %d to core queue.", rsv_msg.type); -} -DECLARE_IPI(SCP_IPI_VDEC_CORE, vdec_h264_ipi_core_handler, 0); - -void vdec_service_task(void *u) -{ - struct vdec_msg rsv_msg; - size_t size; - - 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_vdec_queue, &rsv_msg); - ipi_enable_irq(); - - if (!size) - task_wait_event(-1); - else - vdec_msg_handler(rsv_msg.msg); - } -} - -void vdec_core_service_task(void *u) -{ - struct vdec_msg rsv_msg; - size_t size; - - 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_vdec_core_queue, &rsv_msg); - ipi_enable_irq(); - - if (!size) - task_wait_event(-1); - else - vdec_core_msg_handler(rsv_msg.msg); - } -} |