diff options
Diffstat (limited to 'baseboard/mtscp-rv32i/mdp.c')
-rw-r--r-- | baseboard/mtscp-rv32i/mdp.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/baseboard/mtscp-rv32i/mdp.c b/baseboard/mtscp-rv32i/mdp.c deleted file mode 100644 index b0756a797a..0000000000 --- a/baseboard/mtscp-rv32i/mdp.c +++ /dev/null @@ -1,81 +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 "ipi_chip.h" -#include "mdp.h" -#include "queue_policies.h" -#include "registers.h" -#include "task.h" -#include "util.h" - -#define CPRINTF(format, args...) cprintf(CC_IPI, format, ##args) -#define CPRINTS(format, args...) cprints(CC_IPI, format, ##args) - -static void event_mdp_written(struct consumer const *consumer, size_t count) -{ - task_wake(TASK_ID_MDP_SERVICE); -} -static struct consumer const event_mdp_consumer; -static struct queue const event_mdp_queue = QUEUE_DIRECT(4, - struct mdp_msg_service, null_producer, event_mdp_consumer); -static struct consumer const event_mdp_consumer = { - .queue = &event_mdp_queue, - .ops = &((struct consumer_ops const) { - .written = event_mdp_written, - }), -}; - -/* Stub functions only provided by private overlays. */ -#ifndef HAVE_PRIVATE_MT_SCP -void mdp_common_init(void) {} -void mdp_ipi_task_handler(void *pvParameters) {} -#endif - -static void mdp_ipi_handler(int id, void *data, unsigned int len) -{ - struct mdp_msg_service rsv_msg; - - if (!len) { - CPRINTS("len is zero."); - return; - } - - rsv_msg.id = id; - 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_mdp_queue, &rsv_msg)) - CPRINTS("Could not send mdp id: %d to the queue.", id); -} -DECLARE_IPI(SCP_IPI_MDP_INIT, mdp_ipi_handler, 0); -DECLARE_IPI(SCP_IPI_MDP_FRAME, mdp_ipi_handler, 0); -DECLARE_IPI(SCP_IPI_MDP_DEINIT, mdp_ipi_handler, 0); - -void mdp_service_task(void *u) -{ - struct mdp_msg_service rsv_msg; - size_t size; - - mdp_common_init(); - - 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_mdp_queue, &rsv_msg); - ipi_enable_irq(); - - if (!size) - task_wait_event(-1); - else - mdp_ipi_task_handler(&rsv_msg); - } -} |