1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* 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;
uint32_t msg_id = *(uint32_t *)msg;
mtk_vcodec_debug(vpu, "id=%X", msg_id);
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, msg_id, 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);
}
|
