170 lines
4.1 KiB
C
170 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 2016 MediaTek Inc.
|
|
* Author: PC Chen <pc.chen@mediatek.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "mtk_vcodec_drv.h"
|
|
#include "mtk_vcodec_util.h"
|
|
#include "vdec_ipi_msg.h"
|
|
#include "vdec_vpu_if.h"
|
|
|
|
static void handle_init_ack_msg(struct vdec_vpu_ipi_init_ack *msg)
|
|
{
|
|
struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)
|
|
(unsigned long)msg->ap_inst_addr;
|
|
|
|
mtk_vcodec_debug(vpu, "+ ap_inst_addr = 0x%llx", msg->ap_inst_addr);
|
|
|
|
/* mapping VPU address to kernel virtual address */
|
|
/* the content in vsi is initialized to 0 in VPU */
|
|
vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
|
|
vpu->inst_addr = msg->vpu_inst_addr;
|
|
|
|
mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr);
|
|
}
|
|
|
|
/*
|
|
* This function runs in interrupt context and it means there's an IPI MSG
|
|
* from VPU.
|
|
*/
|
|
void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv)
|
|
{
|
|
struct vdec_vpu_ipi_ack *msg = data;
|
|
struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *)
|
|
(unsigned long)msg->ap_inst_addr;
|
|
|
|
mtk_vcodec_debug(vpu, "+ id=%X", msg->msg_id);
|
|
|
|
if (msg->status == 0) {
|
|
switch (msg->msg_id) {
|
|
case VPU_IPIMSG_DEC_INIT_ACK:
|
|
handle_init_ack_msg(data);
|
|
break;
|
|
|
|
case VPU_IPIMSG_DEC_START_ACK:
|
|
case VPU_IPIMSG_DEC_END_ACK:
|
|
case VPU_IPIMSG_DEC_DEINIT_ACK:
|
|
case VPU_IPIMSG_DEC_RESET_ACK:
|
|
break;
|
|
|
|
default:
|
|
mtk_vcodec_err(vpu, "invalid msg=%X", msg->msg_id);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mtk_vcodec_debug(vpu, "- id=%X", msg->msg_id);
|
|
vpu->failure = msg->status;
|
|
vpu->signaled = 1;
|
|
}
|
|
|
|
static int vcodec_vpu_send_msg(struct vdec_vpu_inst *vpu, void *msg, int len)
|
|
{
|
|
int err;
|
|
|
|
mtk_vcodec_debug(vpu, "id=%X", *(uint32_t *)msg);
|
|
|
|
vpu->failure = 0;
|
|
vpu->signaled = 0;
|
|
|
|
err = vpu_ipi_send(vpu->dev, vpu->id, msg, len);
|
|
if (err) {
|
|
mtk_vcodec_err(vpu, "send fail vpu_id=%d msg_id=%X status=%d",
|
|
vpu->id, *(uint32_t *)msg, err);
|
|
return err;
|
|
}
|
|
|
|
return vpu->failure;
|
|
}
|
|
|
|
static int vcodec_send_ap_ipi(struct vdec_vpu_inst *vpu, unsigned int msg_id)
|
|
{
|
|
struct vdec_ap_ipi_cmd msg;
|
|
int err = 0;
|
|
|
|
mtk_vcodec_debug(vpu, "+ id=%X", msg_id);
|
|
|
|
memset(&msg, 0, sizeof(msg));
|
|
msg.msg_id = msg_id;
|
|
msg.vpu_inst_addr = vpu->inst_addr;
|
|
|
|
err = vcodec_vpu_send_msg(vpu, &msg, sizeof(msg));
|
|
mtk_vcodec_debug(vpu, "- id=%X ret=%d", msg_id, err);
|
|
return err;
|
|
}
|
|
|
|
int vpu_dec_init(struct vdec_vpu_inst *vpu)
|
|
{
|
|
struct vdec_ap_ipi_init msg;
|
|
int err;
|
|
|
|
mtk_vcodec_debug_enter(vpu);
|
|
|
|
init_waitqueue_head(&vpu->wq);
|
|
|
|
err = vpu_ipi_register(vpu->dev, vpu->id, vpu->handler, "vdec", NULL);
|
|
if (err != 0) {
|
|
mtk_vcodec_err(vpu, "vpu_ipi_register fail status=%d", err);
|
|
return err;
|
|
}
|
|
|
|
memset(&msg, 0, sizeof(msg));
|
|
msg.msg_id = AP_IPIMSG_DEC_INIT;
|
|
msg.ap_inst_addr = (unsigned long)vpu;
|
|
|
|
mtk_vcodec_debug(vpu, "vdec_inst=%p", vpu);
|
|
|
|
err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg));
|
|
mtk_vcodec_debug(vpu, "- ret=%d", err);
|
|
return err;
|
|
}
|
|
|
|
int vpu_dec_start(struct vdec_vpu_inst *vpu, uint32_t *data, unsigned int len)
|
|
{
|
|
struct vdec_ap_ipi_dec_start msg;
|
|
int i;
|
|
int err = 0;
|
|
|
|
mtk_vcodec_debug_enter(vpu);
|
|
|
|
if (len > ARRAY_SIZE(msg.data)) {
|
|
mtk_vcodec_err(vpu, "invalid len = %d\n", len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
memset(&msg, 0, sizeof(msg));
|
|
msg.msg_id = AP_IPIMSG_DEC_START;
|
|
msg.vpu_inst_addr = vpu->inst_addr;
|
|
|
|
for (i = 0; i < len; i++)
|
|
msg.data[i] = data[i];
|
|
|
|
err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg));
|
|
mtk_vcodec_debug(vpu, "- ret=%d", err);
|
|
return err;
|
|
}
|
|
|
|
int vpu_dec_end(struct vdec_vpu_inst *vpu)
|
|
{
|
|
return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_END);
|
|
}
|
|
|
|
int vpu_dec_deinit(struct vdec_vpu_inst *vpu)
|
|
{
|
|
return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_DEINIT);
|
|
}
|
|
|
|
int vpu_dec_reset(struct vdec_vpu_inst *vpu)
|
|
{
|
|
return vcodec_send_ap_ipi(vpu, AP_IPIMSG_DEC_RESET);
|
|
}
|