1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: Jungchang Tsao <jungchang.tsao@mediatek.com>
5 * Daniel Hsiao <daniel.hsiao@mediatek.com>
6 * Tiffany Lin <tiffany.lin@mediatek.com>
7 */
8
9 #ifndef _VENC_IPI_MSG_H_
10 #define _VENC_IPI_MSG_H_
11
12 #define AP_IPIMSG_VENC_BASE 0xC000
13 #define VPU_IPIMSG_VENC_BASE 0xD000
14
15 /**
16 * enum venc_ipi_msg_id - message id between AP and VPU
17 * (ipi stands for inter-processor interrupt)
18 * @AP_IPIMSG_ENC_XXX: AP to VPU cmd message id
19 * @VPU_IPIMSG_ENC_XXX_DONE: VPU ack AP cmd message id
20 */
21 enum venc_ipi_msg_id {
22 AP_IPIMSG_ENC_INIT = AP_IPIMSG_VENC_BASE,
23 AP_IPIMSG_ENC_SET_PARAM,
24 AP_IPIMSG_ENC_ENCODE,
25 AP_IPIMSG_ENC_DEINIT,
26
27 VPU_IPIMSG_ENC_INIT_DONE = VPU_IPIMSG_VENC_BASE,
28 VPU_IPIMSG_ENC_SET_PARAM_DONE,
29 VPU_IPIMSG_ENC_ENCODE_DONE,
30 VPU_IPIMSG_ENC_DEINIT_DONE,
31 };
32
33 /**
34 * struct venc_ap_ipi_msg_init - AP to VPU init cmd structure
35 * @msg_id: message id (AP_IPIMSG_XXX_ENC_INIT)
36 * @reserved: reserved for future use. vpu is running in 32bit. Without
37 * this reserved field, if kernel run in 64bit. this struct size
38 * will be different between kernel and vpu
39 * @venc_inst: AP encoder instance
40 * (struct venc_vp8_inst/venc_h264_inst *)
41 */
42 struct venc_ap_ipi_msg_init {
43 uint32_t msg_id;
44 uint32_t reserved;
45 uint64_t venc_inst;
46 };
47
48 /**
49 * struct venc_ap_ipi_msg_set_param - AP to VPU set_param cmd structure
50 * @msg_id: message id (AP_IPIMSG_XXX_ENC_SET_PARAM)
51 * @vpu_inst_addr: VPU encoder instance addr
52 * (struct venc_vp8_vsi/venc_h264_vsi *)
53 * @param_id: parameter id (venc_set_param_type)
54 * @data_item: number of items in the data array
55 * @data[8]: data array to store the set parameters
56 */
57 struct venc_ap_ipi_msg_set_param {
58 uint32_t msg_id;
59 uint32_t vpu_inst_addr;
60 uint32_t param_id;
61 uint32_t data_item;
62 uint32_t data[8];
63 };
64
65 /**
66 * struct venc_ap_ipi_msg_enc - AP to VPU enc cmd structure
67 * @msg_id: message id (AP_IPIMSG_XXX_ENC_ENCODE)
68 * @vpu_inst_addr: VPU encoder instance addr
69 * (struct venc_vp8_vsi/venc_h264_vsi *)
70 * @bs_mode: bitstream mode for h264
71 * (H264_BS_MODE_SPS/H264_BS_MODE_PPS/H264_BS_MODE_FRAME)
72 * @input_addr: pointer to input image buffer plane
73 * @bs_addr: pointer to output bit stream buffer
74 * @bs_size: bit stream buffer size
75 */
76 struct venc_ap_ipi_msg_enc {
77 uint32_t msg_id;
78 uint32_t vpu_inst_addr;
79 uint32_t bs_mode;
80 uint32_t input_addr[3];
81 uint32_t bs_addr;
82 uint32_t bs_size;
83 };
84
85 /**
86 * struct venc_ap_ipi_msg_deinit - AP to VPU deinit cmd structure
87 * @msg_id: message id (AP_IPIMSG_XXX_ENC_DEINIT)
88 * @vpu_inst_addr: VPU encoder instance addr
89 * (struct venc_vp8_vsi/venc_h264_vsi *)
90 */
91 struct venc_ap_ipi_msg_deinit {
92 uint32_t msg_id;
93 uint32_t vpu_inst_addr;
94 };
95
96 /**
97 * enum venc_ipi_msg_status - VPU ack AP cmd status
98 */
99 enum venc_ipi_msg_status {
100 VENC_IPI_MSG_STATUS_OK,
101 VENC_IPI_MSG_STATUS_FAIL,
102 };
103
104 /**
105 * struct venc_vpu_ipi_msg_common - VPU ack AP cmd common structure
106 * @msg_id: message id (VPU_IPIMSG_XXX_DONE)
107 * @status: cmd status (venc_ipi_msg_status)
108 * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *)
109 */
110 struct venc_vpu_ipi_msg_common {
111 uint32_t msg_id;
112 uint32_t status;
113 uint64_t venc_inst;
114 };
115
116 /**
117 * struct venc_vpu_ipi_msg_init - VPU ack AP init cmd structure
118 * @msg_id: message id (VPU_IPIMSG_XXX_ENC_SET_PARAM_DONE)
119 * @status: cmd status (venc_ipi_msg_status)
120 * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *)
121 * @vpu_inst_addr: VPU encoder instance addr
122 * (struct venc_vp8_vsi/venc_h264_vsi *)
123 * @reserved: reserved for future use. vpu is running in 32bit. Without
124 * this reserved field, if kernel run in 64bit. this struct size
125 * will be different between kernel and vpu
126 */
127 struct venc_vpu_ipi_msg_init {
128 uint32_t msg_id;
129 uint32_t status;
130 uint64_t venc_inst;
131 uint32_t vpu_inst_addr;
132 uint32_t reserved;
133 };
134
135 /**
136 * struct venc_vpu_ipi_msg_set_param - VPU ack AP set_param cmd structure
137 * @msg_id: message id (VPU_IPIMSG_XXX_ENC_SET_PARAM_DONE)
138 * @status: cmd status (venc_ipi_msg_status)
139 * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *)
140 * @param_id: parameter id (venc_set_param_type)
141 * @data_item: number of items in the data array
142 * @data[6]: data array to store the return result
143 */
144 struct venc_vpu_ipi_msg_set_param {
145 uint32_t msg_id;
146 uint32_t status;
147 uint64_t venc_inst;
148 uint32_t param_id;
149 uint32_t data_item;
150 uint32_t data[6];
151 };
152
153 /**
154 * enum venc_ipi_msg_enc_state - Type of encode state
155 * VEN_IPI_MSG_ENC_STATE_FRAME: one frame being encoded
156 * VEN_IPI_MSG_ENC_STATE_PART: bit stream buffer full
157 * VEN_IPI_MSG_ENC_STATE_SKIP: encoded skip frame
158 * VEN_IPI_MSG_ENC_STATE_ERROR: encounter error
159 */
160 enum venc_ipi_msg_enc_state {
161 VEN_IPI_MSG_ENC_STATE_FRAME,
162 VEN_IPI_MSG_ENC_STATE_PART,
163 VEN_IPI_MSG_ENC_STATE_SKIP,
164 VEN_IPI_MSG_ENC_STATE_ERROR,
165 };
166
167 /**
168 * struct venc_vpu_ipi_msg_enc - VPU ack AP enc cmd structure
169 * @msg_id: message id (VPU_IPIMSG_XXX_ENC_ENCODE_DONE)
170 * @status: cmd status (venc_ipi_msg_status)
171 * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *)
172 * @state: encode state (venc_ipi_msg_enc_state)
173 * @is_key_frm: whether the encoded frame is key frame
174 * @bs_size: encoded bitstream size
175 * @reserved: reserved for future use. vpu is running in 32bit. Without
176 * this reserved field, if kernel run in 64bit. this struct size
177 * will be different between kernel and vpu
178 */
179 struct venc_vpu_ipi_msg_enc {
180 uint32_t msg_id;
181 uint32_t status;
182 uint64_t venc_inst;
183 uint32_t state;
184 uint32_t is_key_frm;
185 uint32_t bs_size;
186 uint32_t reserved;
187 };
188
189 /**
190 * struct venc_vpu_ipi_msg_deinit - VPU ack AP deinit cmd structure
191 * @msg_id: message id (VPU_IPIMSG_XXX_ENC_DEINIT_DONE)
192 * @status: cmd status (venc_ipi_msg_status)
193 * @venc_inst: AP encoder instance (struct venc_vp8_inst/venc_h264_inst *)
194 */
195 struct venc_vpu_ipi_msg_deinit {
196 uint32_t msg_id;
197 uint32_t status;
198 uint64_t venc_inst;
199 };
200
201 #endif /* _VENC_IPI_MSG_H_ */