1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: PoChun Lin <pochun.lin@mediatek.com>
5 */
6
7 #include "mtk_vcodec_enc_drv.h"
8 #include "venc_ipi_msg.h"
9 #include "venc_vpu_if.h"
10
handle_enc_init_msg(struct venc_vpu_inst * vpu,const void * data)11 static void handle_enc_init_msg(struct venc_vpu_inst *vpu, const void *data)
12 {
13 const struct venc_vpu_ipi_msg_init *msg = data;
14
15 vpu->inst_addr = msg->vpu_inst_addr;
16 vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
17 msg->vpu_inst_addr);
18
19 /* Firmware version field value is unspecified on MT8173. */
20 if (mtk_vcodec_fw_get_type(vpu->ctx->dev->fw_handler) == VPU)
21 return;
22
23 /* Check firmware version. */
24 mtk_venc_debug(vpu->ctx, "firmware version: 0x%x\n", msg->venc_abi_version);
25 switch (msg->venc_abi_version) {
26 case 1:
27 break;
28 default:
29 mtk_venc_err(vpu->ctx, "unhandled firmware version 0x%x\n",
30 msg->venc_abi_version);
31 vpu->failure = 1;
32 break;
33 }
34 }
35
handle_enc_encode_msg(struct venc_vpu_inst * vpu,const void * data)36 static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, const void *data)
37 {
38 const struct venc_vpu_ipi_msg_enc *msg = data;
39
40 vpu->state = msg->state;
41 vpu->bs_size = msg->bs_size;
42 vpu->is_key_frm = msg->is_key_frm;
43 }
44
vpu_enc_check_ap_inst(struct mtk_vcodec_enc_dev * enc_dev,struct venc_vpu_inst * vpu)45 static bool vpu_enc_check_ap_inst(struct mtk_vcodec_enc_dev *enc_dev, struct venc_vpu_inst *vpu)
46 {
47 struct mtk_vcodec_enc_ctx *ctx;
48 int ret = false;
49
50 list_for_each_entry(ctx, &enc_dev->ctx_list, list) {
51 if (!IS_ERR_OR_NULL(ctx) && ctx->vpu_inst == vpu) {
52 ret = true;
53 break;
54 }
55 }
56
57 return ret;
58 }
59
vpu_enc_ipi_handler(void * data,unsigned int len,void * priv)60 static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv)
61 {
62 struct mtk_vcodec_enc_dev *enc_dev;
63 const struct venc_vpu_ipi_msg_common *msg = data;
64 struct venc_vpu_inst *vpu;
65
66 enc_dev = (struct mtk_vcodec_enc_dev *)priv;
67 vpu = (struct venc_vpu_inst *)(unsigned long)msg->venc_inst;
68 if (!priv || !vpu) {
69 pr_err(MTK_DBG_V4L2_STR "venc_inst is NULL, did the SCP hang or crash?");
70 return;
71 }
72
73 mtk_venc_debug(vpu->ctx, "msg_id %x inst %p status %d", msg->msg_id, vpu, msg->status);
74 if (!vpu_enc_check_ap_inst(enc_dev, vpu) || msg->msg_id < VPU_IPIMSG_ENC_INIT_DONE ||
75 msg->msg_id > VPU_IPIMSG_ENC_DEINIT_DONE) {
76 mtk_v4l2_venc_err(vpu->ctx, "venc msg id not correctly => 0x%x", msg->msg_id);
77 vpu->failure = -EINVAL;
78 goto error;
79 }
80
81 vpu->failure = (msg->status != VENC_IPI_MSG_STATUS_OK);
82 if (vpu->failure) {
83 mtk_venc_err(vpu->ctx, "vpu enc status failure %d", vpu->failure);
84 goto error;
85 }
86
87 switch (msg->msg_id) {
88 case VPU_IPIMSG_ENC_INIT_DONE:
89 handle_enc_init_msg(vpu, data);
90 break;
91 case VPU_IPIMSG_ENC_SET_PARAM_DONE:
92 break;
93 case VPU_IPIMSG_ENC_ENCODE_DONE:
94 handle_enc_encode_msg(vpu, data);
95 break;
96 case VPU_IPIMSG_ENC_DEINIT_DONE:
97 break;
98 default:
99 mtk_venc_err(vpu->ctx, "unknown msg id %x", msg->msg_id);
100 break;
101 }
102
103 error:
104 vpu->signaled = 1;
105 }
106
vpu_enc_send_msg(struct venc_vpu_inst * vpu,void * msg,int len)107 static int vpu_enc_send_msg(struct venc_vpu_inst *vpu, void *msg,
108 int len)
109 {
110 int status;
111
112 if (!vpu->ctx->dev->fw_handler) {
113 mtk_venc_err(vpu->ctx, "inst dev is NULL");
114 return -EINVAL;
115 }
116
117 status = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, vpu->id, msg,
118 len, 2000);
119 if (status) {
120 mtk_venc_err(vpu->ctx, "vpu_ipi_send msg_id %x len %d fail %d",
121 *(uint32_t *)msg, len, status);
122 return -EINVAL;
123 }
124 if (vpu->failure)
125 return -EINVAL;
126
127 return 0;
128 }
129
vpu_enc_init(struct venc_vpu_inst * vpu)130 int vpu_enc_init(struct venc_vpu_inst *vpu)
131 {
132 int status;
133 struct venc_ap_ipi_msg_init out;
134
135 init_waitqueue_head(&vpu->wq_hd);
136 vpu->signaled = 0;
137 vpu->failure = 0;
138 vpu->ctx->vpu_inst = vpu;
139
140 status = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id,
141 vpu_enc_ipi_handler, "venc",
142 vpu->ctx->dev);
143
144 if (status) {
145 mtk_venc_err(vpu->ctx, "vpu_ipi_register fail %d", status);
146 return -EINVAL;
147 }
148
149 memset(&out, 0, sizeof(out));
150 out.msg_id = AP_IPIMSG_ENC_INIT;
151 out.venc_inst = (unsigned long)vpu;
152 if (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
153 mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_INIT fail");
154 return -EINVAL;
155 }
156
157 if (IS_ERR_OR_NULL(vpu->vsi)) {
158 mtk_venc_err(vpu->ctx, "invalid venc vsi");
159 return -EINVAL;
160 }
161
162 return 0;
163 }
164
venc_enc_param_crop_right(struct venc_vpu_inst * vpu,struct venc_enc_param * enc_prm)165 static unsigned int venc_enc_param_crop_right(struct venc_vpu_inst *vpu,
166 struct venc_enc_param *enc_prm)
167 {
168 unsigned int img_crop_right = enc_prm->buf_width - enc_prm->width;
169
170 return img_crop_right % 16;
171 }
172
venc_enc_param_crop_bottom(struct venc_enc_param * enc_prm)173 static unsigned int venc_enc_param_crop_bottom(struct venc_enc_param *enc_prm)
174 {
175 return round_up(enc_prm->height, 16) - enc_prm->height;
176 }
177
venc_enc_param_num_mb(struct venc_enc_param * enc_prm)178 static unsigned int venc_enc_param_num_mb(struct venc_enc_param *enc_prm)
179 {
180 return DIV_ROUND_UP(enc_prm->width, 16) *
181 DIV_ROUND_UP(enc_prm->height, 16);
182 }
183
vpu_enc_set_param(struct venc_vpu_inst * vpu,enum venc_set_param_type id,struct venc_enc_param * enc_param)184 int vpu_enc_set_param(struct venc_vpu_inst *vpu,
185 enum venc_set_param_type id,
186 struct venc_enc_param *enc_param)
187 {
188 const bool is_ext = MTK_ENC_CTX_IS_EXT(vpu->ctx);
189 size_t msg_size = is_ext ?
190 sizeof(struct venc_ap_ipi_msg_set_param_ext) :
191 sizeof(struct venc_ap_ipi_msg_set_param);
192 struct venc_ap_ipi_msg_set_param_ext out;
193
194 mtk_venc_debug(vpu->ctx, "id %d ->", id);
195
196 memset(&out, 0, sizeof(out));
197 out.base.msg_id = AP_IPIMSG_ENC_SET_PARAM;
198 out.base.vpu_inst_addr = vpu->inst_addr;
199 out.base.param_id = id;
200 switch (id) {
201 case VENC_SET_PARAM_ENC:
202 if (is_ext) {
203 out.base.data_item = 3;
204 out.base.data[0] =
205 venc_enc_param_crop_right(vpu, enc_param);
206 out.base.data[1] =
207 venc_enc_param_crop_bottom(enc_param);
208 out.base.data[2] = venc_enc_param_num_mb(enc_param);
209 } else {
210 out.base.data_item = 0;
211 }
212 break;
213 case VENC_SET_PARAM_FORCE_INTRA:
214 out.base.data_item = 0;
215 break;
216 case VENC_SET_PARAM_ADJUST_BITRATE:
217 out.base.data_item = 1;
218 out.base.data[0] = enc_param->bitrate;
219 break;
220 case VENC_SET_PARAM_ADJUST_FRAMERATE:
221 out.base.data_item = 1;
222 out.base.data[0] = enc_param->frm_rate;
223 break;
224 case VENC_SET_PARAM_GOP_SIZE:
225 out.base.data_item = 1;
226 out.base.data[0] = enc_param->gop_size;
227 break;
228 case VENC_SET_PARAM_INTRA_PERIOD:
229 out.base.data_item = 1;
230 out.base.data[0] = enc_param->intra_period;
231 break;
232 case VENC_SET_PARAM_SKIP_FRAME:
233 out.base.data_item = 0;
234 break;
235 default:
236 mtk_venc_err(vpu->ctx, "id %d not supported", id);
237 return -EINVAL;
238 }
239 if (vpu_enc_send_msg(vpu, &out, msg_size)) {
240 mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_SET_PARAM %d fail", id);
241 return -EINVAL;
242 }
243
244 mtk_venc_debug(vpu->ctx, "id %d <-", id);
245
246 return 0;
247 }
248
vpu_enc_encode_32bits(struct venc_vpu_inst * vpu,unsigned int bs_mode,struct venc_frm_buf * frm_buf,struct mtk_vcodec_mem * bs_buf,struct venc_frame_info * frame_info)249 static int vpu_enc_encode_32bits(struct venc_vpu_inst *vpu,
250 unsigned int bs_mode,
251 struct venc_frm_buf *frm_buf,
252 struct mtk_vcodec_mem *bs_buf,
253 struct venc_frame_info *frame_info)
254 {
255 const bool is_ext = MTK_ENC_CTX_IS_EXT(vpu->ctx);
256 size_t msg_size = is_ext ?
257 sizeof(struct venc_ap_ipi_msg_enc_ext) :
258 sizeof(struct venc_ap_ipi_msg_enc);
259 struct venc_ap_ipi_msg_enc_ext out;
260
261 mtk_venc_debug(vpu->ctx, "bs_mode %d ->", bs_mode);
262
263 memset(&out, 0, sizeof(out));
264 out.base.msg_id = AP_IPIMSG_ENC_ENCODE;
265 out.base.vpu_inst_addr = vpu->inst_addr;
266 out.base.bs_mode = bs_mode;
267 if (frm_buf) {
268 if ((frm_buf->fb_addr[0].dma_addr % 16 == 0) &&
269 (frm_buf->fb_addr[1].dma_addr % 16 == 0) &&
270 (frm_buf->fb_addr[2].dma_addr % 16 == 0)) {
271 out.base.input_addr[0] = frm_buf->fb_addr[0].dma_addr;
272 out.base.input_addr[1] = frm_buf->fb_addr[1].dma_addr;
273 out.base.input_addr[2] = frm_buf->fb_addr[2].dma_addr;
274 } else {
275 mtk_venc_err(vpu->ctx, "dma_addr not align to 16");
276 return -EINVAL;
277 }
278 }
279 if (bs_buf) {
280 out.base.bs_addr = bs_buf->dma_addr;
281 out.base.bs_size = bs_buf->size;
282 }
283 if (is_ext && frame_info) {
284 out.data_item = 3;
285 out.data[0] = frame_info->frm_count;
286 out.data[1] = frame_info->skip_frm_count;
287 out.data[2] = frame_info->frm_type;
288 }
289 if (vpu_enc_send_msg(vpu, &out, msg_size)) {
290 mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_ENCODE %d fail", bs_mode);
291 return -EINVAL;
292 }
293
294 return 0;
295 }
296
vpu_enc_encode_34bits(struct venc_vpu_inst * vpu,unsigned int bs_mode,struct venc_frm_buf * frm_buf,struct mtk_vcodec_mem * bs_buf,struct venc_frame_info * frame_info)297 static int vpu_enc_encode_34bits(struct venc_vpu_inst *vpu,
298 unsigned int bs_mode,
299 struct venc_frm_buf *frm_buf,
300 struct mtk_vcodec_mem *bs_buf,
301 struct venc_frame_info *frame_info)
302 {
303 struct venc_ap_ipi_msg_enc_ext_34 out;
304 size_t msg_size = sizeof(struct venc_ap_ipi_msg_enc_ext_34);
305
306 mtk_venc_debug(vpu->ctx, "bs_mode %d ->", bs_mode);
307
308 memset(&out, 0, sizeof(out));
309 out.msg_id = AP_IPIMSG_ENC_ENCODE;
310 out.vpu_inst_addr = vpu->inst_addr;
311 out.bs_mode = bs_mode;
312
313 if (frm_buf) {
314 if ((frm_buf->fb_addr[0].dma_addr % 16 == 0) &&
315 (frm_buf->fb_addr[1].dma_addr % 16 == 0) &&
316 (frm_buf->fb_addr[2].dma_addr % 16 == 0)) {
317 out.input_addr[0] = frm_buf->fb_addr[0].dma_addr;
318 out.input_addr[1] = frm_buf->fb_addr[1].dma_addr;
319 out.input_addr[2] = frm_buf->fb_addr[2].dma_addr;
320 } else {
321 mtk_venc_err(vpu->ctx, "dma_addr not align to 16");
322 return -EINVAL;
323 }
324 }
325 if (bs_buf) {
326 out.bs_addr = bs_buf->dma_addr;
327 out.bs_size = bs_buf->size;
328 }
329 if (frame_info) {
330 out.data_item = 3;
331 out.data[0] = frame_info->frm_count;
332 out.data[1] = frame_info->skip_frm_count;
333 out.data[2] = frame_info->frm_type;
334 }
335 if (vpu_enc_send_msg(vpu, &out, msg_size)) {
336 mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_ENCODE %d fail", bs_mode);
337 return -EINVAL;
338 }
339
340 return 0;
341 }
342
vpu_enc_encode(struct venc_vpu_inst * vpu,unsigned int bs_mode,struct venc_frm_buf * frm_buf,struct mtk_vcodec_mem * bs_buf,struct venc_frame_info * frame_info)343 int vpu_enc_encode(struct venc_vpu_inst *vpu, unsigned int bs_mode,
344 struct venc_frm_buf *frm_buf,
345 struct mtk_vcodec_mem *bs_buf,
346 struct venc_frame_info *frame_info)
347 {
348 int ret;
349
350 if (MTK_ENC_IOVA_IS_34BIT(vpu->ctx))
351 ret = vpu_enc_encode_34bits(vpu, bs_mode,
352 frm_buf, bs_buf, frame_info);
353 else
354 ret = vpu_enc_encode_32bits(vpu, bs_mode,
355 frm_buf, bs_buf, frame_info);
356
357 if (ret)
358 return ret;
359
360 mtk_venc_debug(vpu->ctx, "bs_mode %d state %d size %d key_frm %d <-",
361 bs_mode, vpu->state, vpu->bs_size, vpu->is_key_frm);
362
363 return 0;
364 }
365
vpu_enc_deinit(struct venc_vpu_inst * vpu)366 int vpu_enc_deinit(struct venc_vpu_inst *vpu)
367 {
368 struct venc_ap_ipi_msg_deinit out;
369
370 memset(&out, 0, sizeof(out));
371 out.msg_id = AP_IPIMSG_ENC_DEINIT;
372 out.vpu_inst_addr = vpu->inst_addr;
373 if (vpu_enc_send_msg(vpu, &out, sizeof(out))) {
374 mtk_venc_err(vpu->ctx, "AP_IPIMSG_ENC_DEINIT fail");
375 return -EINVAL;
376 }
377
378 return 0;
379 }
380