1 /*
2  * Copyright (c) 2016 MediaTek Inc.
3  * Author: Jungchang Tsao <jungchang.tsao@mediatek.com>
4  *         Daniel Hsiao <daniel.hsiao@mediatek.com>
5  *         PoChun Lin <pochun.lin@mediatek.com>
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  */
17 
18 #include <linux/interrupt.h>
19 #include <linux/kernel.h>
20 #include <linux/slab.h>
21 
22 #include "../mtk_vcodec_drv.h"
23 #include "../mtk_vcodec_util.h"
24 #include "../mtk_vcodec_intr.h"
25 #include "../mtk_vcodec_enc.h"
26 #include "../mtk_vcodec_enc_pm.h"
27 #include "../venc_drv_base.h"
28 #include "../venc_ipi_msg.h"
29 #include "../venc_vpu_if.h"
30 #include "mtk_vpu.h"
31 
32 static const char h264_filler_marker[] = {0x0, 0x0, 0x0, 0x1, 0xc};
33 
34 #define H264_FILLER_MARKER_SIZE ARRAY_SIZE(h264_filler_marker)
35 #define VENC_PIC_BITSTREAM_BYTE_CNT 0x0098
36 
37 /*
38  * enum venc_h264_vpu_work_buf - h264 encoder buffer index
39  */
40 enum venc_h264_vpu_work_buf {
41 	VENC_H264_VPU_WORK_BUF_RC_INFO,
42 	VENC_H264_VPU_WORK_BUF_RC_CODE,
43 	VENC_H264_VPU_WORK_BUF_REC_LUMA,
44 	VENC_H264_VPU_WORK_BUF_REC_CHROMA,
45 	VENC_H264_VPU_WORK_BUF_REF_LUMA,
46 	VENC_H264_VPU_WORK_BUF_REF_CHROMA,
47 	VENC_H264_VPU_WORK_BUF_MV_INFO_1,
48 	VENC_H264_VPU_WORK_BUF_MV_INFO_2,
49 	VENC_H264_VPU_WORK_BUF_SKIP_FRAME,
50 	VENC_H264_VPU_WORK_BUF_MAX,
51 };
52 
53 /*
54  * enum venc_h264_bs_mode - for bs_mode argument in h264_enc_vpu_encode
55  */
56 enum venc_h264_bs_mode {
57 	H264_BS_MODE_SPS,
58 	H264_BS_MODE_PPS,
59 	H264_BS_MODE_FRAME,
60 };
61 
62 /*
63  * struct venc_h264_vpu_config - Structure for h264 encoder configuration
64  *                               AP-W/R : AP is writer/reader on this item
65  *                               VPU-W/R: VPU is write/reader on this item
66  * @input_fourcc: input fourcc
67  * @bitrate: target bitrate (in bps)
68  * @pic_w: picture width. Picture size is visible stream resolution, in pixels,
69  *         to be used for display purposes; must be smaller or equal to buffer
70  *         size.
71  * @pic_h: picture height
72  * @buf_w: buffer width. Buffer size is stream resolution in pixels aligned to
73  *         hardware requirements.
74  * @buf_h: buffer height
75  * @gop_size: group of picture size (idr frame)
76  * @intra_period: intra frame period
77  * @framerate: frame rate in fps
78  * @profile: as specified in standard
79  * @level: as specified in standard
80  * @wfd: WFD mode 1:on, 0:off
81  */
82 struct venc_h264_vpu_config {
83 	u32 input_fourcc;
84 	u32 bitrate;
85 	u32 pic_w;
86 	u32 pic_h;
87 	u32 buf_w;
88 	u32 buf_h;
89 	u32 gop_size;
90 	u32 intra_period;
91 	u32 framerate;
92 	u32 profile;
93 	u32 level;
94 	u32 wfd;
95 };
96 
97 /*
98  * struct venc_h264_vpu_buf - Structure for buffer information
99  *                            AP-W/R : AP is writer/reader on this item
100  *                            VPU-W/R: VPU is write/reader on this item
101  * @iova: IO virtual address
102  * @vpua: VPU side memory addr which is used by RC_CODE
103  * @size: buffer size (in bytes)
104  */
105 struct venc_h264_vpu_buf {
106 	u32 iova;
107 	u32 vpua;
108 	u32 size;
109 };
110 
111 /*
112  * struct venc_h264_vsi - Structure for VPU driver control and info share
113  *                        AP-W/R : AP is writer/reader on this item
114  *                        VPU-W/R: VPU is write/reader on this item
115  * This structure is allocated in VPU side and shared to AP side.
116  * @config: h264 encoder configuration
117  * @work_bufs: working buffer information in VPU side
118  * The work_bufs here is for storing the 'size' info shared to AP side.
119  * The similar item in struct venc_h264_inst is for memory allocation
120  * in AP side. The AP driver will copy the 'size' from here to the one in
121  * struct mtk_vcodec_mem, then invoke mtk_vcodec_mem_alloc to allocate
122  * the buffer. After that, bypass the 'dma_addr' to the 'iova' field here for
123  * register setting in VPU side.
124  */
125 struct venc_h264_vsi {
126 	struct venc_h264_vpu_config config;
127 	struct venc_h264_vpu_buf work_bufs[VENC_H264_VPU_WORK_BUF_MAX];
128 };
129 
130 /*
131  * struct venc_h264_inst - h264 encoder AP driver instance
132  * @hw_base: h264 encoder hardware register base
133  * @work_bufs: working buffer
134  * @pps_buf: buffer to store the pps bitstream
135  * @work_buf_allocated: working buffer allocated flag
136  * @frm_cnt: encoded frame count
137  * @prepend_hdr: when the v4l2 layer send VENC_SET_PARAM_PREPEND_HEADER cmd
138  *  through h264_enc_set_param interface, it will set this flag and prepend the
139  *  sps/pps in h264_enc_encode function.
140  * @vpu_inst: VPU instance to exchange information between AP and VPU
141  * @vsi: driver structure allocated by VPU side and shared to AP side for
142  *	 control and info share
143  * @ctx: context for v4l2 layer integration
144  */
145 struct venc_h264_inst {
146 	void __iomem *hw_base;
147 	struct mtk_vcodec_mem work_bufs[VENC_H264_VPU_WORK_BUF_MAX];
148 	struct mtk_vcodec_mem pps_buf;
149 	bool work_buf_allocated;
150 	unsigned int frm_cnt;
151 	unsigned int prepend_hdr;
152 	struct venc_vpu_inst vpu_inst;
153 	struct venc_h264_vsi *vsi;
154 	struct mtk_vcodec_ctx *ctx;
155 };
156 
h264_read_reg(struct venc_h264_inst * inst,u32 addr)157 static inline u32 h264_read_reg(struct venc_h264_inst *inst, u32 addr)
158 {
159 	return readl(inst->hw_base + addr);
160 }
161 
h264_get_profile(struct venc_h264_inst * inst,unsigned int profile)162 static unsigned int h264_get_profile(struct venc_h264_inst *inst,
163 				     unsigned int profile)
164 {
165 	switch (profile) {
166 	case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
167 		return 66;
168 	case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
169 		return 77;
170 	case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
171 		return 100;
172 	case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
173 		mtk_vcodec_err(inst, "unsupported CONSTRAINED_BASELINE");
174 		return 0;
175 	case V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED:
176 		mtk_vcodec_err(inst, "unsupported EXTENDED");
177 		return 0;
178 	default:
179 		mtk_vcodec_debug(inst, "unsupported profile %d", profile);
180 		return 100;
181 	}
182 }
183 
h264_get_level(struct venc_h264_inst * inst,unsigned int level)184 static unsigned int h264_get_level(struct venc_h264_inst *inst,
185 				   unsigned int level)
186 {
187 	switch (level) {
188 	case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
189 		mtk_vcodec_err(inst, "unsupported 1B");
190 		return 0;
191 	case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
192 		return 10;
193 	case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
194 		return 11;
195 	case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
196 		return 12;
197 	case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
198 		return 13;
199 	case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
200 		return 20;
201 	case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
202 		return 21;
203 	case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
204 		return 22;
205 	case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
206 		return 30;
207 	case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
208 		return 31;
209 	case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
210 		return 32;
211 	case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
212 		return 40;
213 	case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
214 		return 41;
215 	case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
216 		return 42;
217 	default:
218 		mtk_vcodec_debug(inst, "unsupported level %d", level);
219 		return 31;
220 	}
221 }
222 
h264_enc_free_work_buf(struct venc_h264_inst * inst)223 static void h264_enc_free_work_buf(struct venc_h264_inst *inst)
224 {
225 	int i;
226 
227 	mtk_vcodec_debug_enter(inst);
228 
229 	/* Except the SKIP_FRAME buffers,
230 	 * other buffers need to be freed by AP.
231 	 */
232 	for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) {
233 		if (i != VENC_H264_VPU_WORK_BUF_SKIP_FRAME)
234 			mtk_vcodec_mem_free(inst->ctx, &inst->work_bufs[i]);
235 	}
236 
237 	mtk_vcodec_mem_free(inst->ctx, &inst->pps_buf);
238 
239 	mtk_vcodec_debug_leave(inst);
240 }
241 
h264_enc_alloc_work_buf(struct venc_h264_inst * inst)242 static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst)
243 {
244 	int i;
245 	int ret = 0;
246 	struct venc_h264_vpu_buf *wb = inst->vsi->work_bufs;
247 
248 	mtk_vcodec_debug_enter(inst);
249 
250 	for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) {
251 		/*
252 		 * This 'wb' structure is set by VPU side and shared to AP for
253 		 * buffer allocation and IO virtual addr mapping. For most of
254 		 * the buffers, AP will allocate the buffer according to 'size'
255 		 * field and store the IO virtual addr in 'iova' field. There
256 		 * are two exceptions:
257 		 * (1) RC_CODE buffer, it's pre-allocated in the VPU side, and
258 		 * save the VPU addr in the 'vpua' field. The AP will translate
259 		 * the VPU addr to the corresponding IO virtual addr and store
260 		 * in 'iova' field for reg setting in VPU side.
261 		 * (2) SKIP_FRAME buffer, it's pre-allocated in the VPU side,
262 		 * and save the VPU addr in the 'vpua' field. The AP will
263 		 * translate the VPU addr to the corresponding AP side virtual
264 		 * address and do some memcpy access to move to bitstream buffer
265 		 * assigned by v4l2 layer.
266 		 */
267 		inst->work_bufs[i].size = wb[i].size;
268 		if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) {
269 			inst->work_bufs[i].va = vpu_mapping_dm_addr(
270 				inst->vpu_inst.dev, wb[i].vpua);
271 			inst->work_bufs[i].dma_addr = 0;
272 		} else {
273 			ret = mtk_vcodec_mem_alloc(inst->ctx,
274 						   &inst->work_bufs[i]);
275 			if (ret) {
276 				mtk_vcodec_err(inst,
277 					       "cannot allocate buf %d", i);
278 				goto err_alloc;
279 			}
280 			/*
281 			 * This RC_CODE is pre-allocated by VPU and saved in VPU
282 			 * addr. So we need use memcpy to copy RC_CODE from VPU
283 			 * addr into IO virtual addr in 'iova' field for reg
284 			 * setting in VPU side.
285 			 */
286 			if (i == VENC_H264_VPU_WORK_BUF_RC_CODE) {
287 				void *tmp_va;
288 
289 				tmp_va = vpu_mapping_dm_addr(inst->vpu_inst.dev,
290 							     wb[i].vpua);
291 				memcpy(inst->work_bufs[i].va, tmp_va,
292 				       wb[i].size);
293 			}
294 		}
295 		wb[i].iova = inst->work_bufs[i].dma_addr;
296 
297 		mtk_vcodec_debug(inst,
298 				 "work_buf[%d] va=0x%p iova=%pad size=%zu",
299 				 i, inst->work_bufs[i].va,
300 				 &inst->work_bufs[i].dma_addr,
301 				 inst->work_bufs[i].size);
302 	}
303 
304 	/* the pps_buf is used by AP side only */
305 	inst->pps_buf.size = 128;
306 	ret = mtk_vcodec_mem_alloc(inst->ctx, &inst->pps_buf);
307 	if (ret) {
308 		mtk_vcodec_err(inst, "cannot allocate pps_buf");
309 		goto err_alloc;
310 	}
311 
312 	mtk_vcodec_debug_leave(inst);
313 
314 	return ret;
315 
316 err_alloc:
317 	h264_enc_free_work_buf(inst);
318 
319 	return ret;
320 }
321 
h264_enc_wait_venc_done(struct venc_h264_inst * inst)322 static unsigned int h264_enc_wait_venc_done(struct venc_h264_inst *inst)
323 {
324 	unsigned int irq_status = 0;
325 	struct mtk_vcodec_ctx *ctx = (struct mtk_vcodec_ctx *)inst->ctx;
326 
327 	if (!mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
328 					  WAIT_INTR_TIMEOUT_MS)) {
329 		irq_status = ctx->irq_status;
330 		mtk_vcodec_debug(inst, "irq_status %x <-", irq_status);
331 	}
332 	return irq_status;
333 }
334 
h264_encode_sps(struct venc_h264_inst * inst,struct mtk_vcodec_mem * bs_buf,unsigned int * bs_size)335 static int h264_encode_sps(struct venc_h264_inst *inst,
336 			   struct mtk_vcodec_mem *bs_buf,
337 			   unsigned int *bs_size)
338 {
339 	int ret = 0;
340 	unsigned int irq_status;
341 
342 	mtk_vcodec_debug_enter(inst);
343 
344 	ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_SPS, NULL,
345 			     bs_buf, bs_size);
346 	if (ret)
347 		return ret;
348 
349 	irq_status = h264_enc_wait_venc_done(inst);
350 	if (irq_status != MTK_VENC_IRQ_STATUS_SPS) {
351 		mtk_vcodec_err(inst, "expect irq status %d",
352 			       MTK_VENC_IRQ_STATUS_SPS);
353 		return -EINVAL;
354 	}
355 
356 	*bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
357 	mtk_vcodec_debug(inst, "bs size %d <-", *bs_size);
358 
359 	return ret;
360 }
361 
h264_encode_pps(struct venc_h264_inst * inst,struct mtk_vcodec_mem * bs_buf,unsigned int * bs_size)362 static int h264_encode_pps(struct venc_h264_inst *inst,
363 			   struct mtk_vcodec_mem *bs_buf,
364 			   unsigned int *bs_size)
365 {
366 	int ret = 0;
367 	unsigned int irq_status;
368 
369 	mtk_vcodec_debug_enter(inst);
370 
371 	ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_PPS, NULL,
372 			     bs_buf, bs_size);
373 	if (ret)
374 		return ret;
375 
376 	irq_status = h264_enc_wait_venc_done(inst);
377 	if (irq_status != MTK_VENC_IRQ_STATUS_PPS) {
378 		mtk_vcodec_err(inst, "expect irq status %d",
379 			       MTK_VENC_IRQ_STATUS_PPS);
380 		return -EINVAL;
381 	}
382 
383 	*bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
384 	mtk_vcodec_debug(inst, "bs size %d <-", *bs_size);
385 
386 	return ret;
387 }
388 
h264_encode_header(struct venc_h264_inst * inst,struct mtk_vcodec_mem * bs_buf,unsigned int * bs_size)389 static int h264_encode_header(struct venc_h264_inst *inst,
390 			      struct mtk_vcodec_mem *bs_buf,
391 			      unsigned int *bs_size)
392 {
393 	int ret = 0;
394 	unsigned int bs_size_sps;
395 	unsigned int bs_size_pps;
396 
397 	ret = h264_encode_sps(inst, bs_buf, &bs_size_sps);
398 	if (ret)
399 		return ret;
400 
401 	ret = h264_encode_pps(inst, &inst->pps_buf, &bs_size_pps);
402 	if (ret)
403 		return ret;
404 
405 	memcpy(bs_buf->va + bs_size_sps, inst->pps_buf.va, bs_size_pps);
406 	*bs_size = bs_size_sps + bs_size_pps;
407 
408 	return ret;
409 }
410 
h264_encode_frame(struct venc_h264_inst * inst,struct venc_frm_buf * frm_buf,struct mtk_vcodec_mem * bs_buf,unsigned int * bs_size)411 static int h264_encode_frame(struct venc_h264_inst *inst,
412 			     struct venc_frm_buf *frm_buf,
413 			     struct mtk_vcodec_mem *bs_buf,
414 			     unsigned int *bs_size)
415 {
416 	int ret = 0;
417 	unsigned int irq_status;
418 
419 	mtk_vcodec_debug_enter(inst);
420 
421 	ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_FRAME, frm_buf,
422 			     bs_buf, bs_size);
423 	if (ret)
424 		return ret;
425 
426 	/*
427 	 * skip frame case: The skip frame buffer is composed by vpu side only,
428 	 * it does not trigger the hw, so skip the wait interrupt operation.
429 	 */
430 	if (inst->vpu_inst.state == VEN_IPI_MSG_ENC_STATE_SKIP) {
431 		*bs_size = inst->vpu_inst.bs_size;
432 		memcpy(bs_buf->va,
433 		       inst->work_bufs[VENC_H264_VPU_WORK_BUF_SKIP_FRAME].va,
434 		       *bs_size);
435 		++inst->frm_cnt;
436 		return ret;
437 	}
438 
439 	irq_status = h264_enc_wait_venc_done(inst);
440 	if (irq_status != MTK_VENC_IRQ_STATUS_FRM) {
441 		mtk_vcodec_err(inst, "irq_status=%d failed", irq_status);
442 		return -EIO;
443 	}
444 
445 	*bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT);
446 
447 	++inst->frm_cnt;
448 	mtk_vcodec_debug(inst, "frm %d bs_size %d key_frm %d <-",
449 			 inst->frm_cnt, *bs_size, inst->vpu_inst.is_key_frm);
450 
451 	return ret;
452 }
453 
h264_encode_filler(struct venc_h264_inst * inst,void * buf,int size)454 static void h264_encode_filler(struct venc_h264_inst *inst, void *buf,
455 			       int size)
456 {
457 	unsigned char *p = buf;
458 
459 	if (size < H264_FILLER_MARKER_SIZE) {
460 		mtk_vcodec_err(inst, "filler size too small %d", size);
461 		return;
462 	}
463 
464 	memcpy(p, h264_filler_marker, ARRAY_SIZE(h264_filler_marker));
465 	size -= H264_FILLER_MARKER_SIZE;
466 	p += H264_FILLER_MARKER_SIZE;
467 	memset(p, 0xff, size);
468 }
469 
h264_enc_init(struct mtk_vcodec_ctx * ctx,unsigned long * handle)470 static int h264_enc_init(struct mtk_vcodec_ctx *ctx, unsigned long *handle)
471 {
472 	int ret = 0;
473 	struct venc_h264_inst *inst;
474 
475 	inst = kzalloc(sizeof(*inst), GFP_KERNEL);
476 	if (!inst)
477 		return -ENOMEM;
478 
479 	inst->ctx = ctx;
480 	inst->vpu_inst.ctx = ctx;
481 	inst->vpu_inst.dev = ctx->dev->vpu_plat_dev;
482 	inst->vpu_inst.id = IPI_VENC_H264;
483 	inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_SYS);
484 
485 	mtk_vcodec_debug_enter(inst);
486 
487 	ret = vpu_enc_init(&inst->vpu_inst);
488 
489 	inst->vsi = (struct venc_h264_vsi *)inst->vpu_inst.vsi;
490 
491 	mtk_vcodec_debug_leave(inst);
492 
493 	if (ret)
494 		kfree(inst);
495 	else
496 		(*handle) = (unsigned long)inst;
497 
498 	return ret;
499 }
500 
h264_enc_encode(unsigned long handle,enum venc_start_opt opt,struct venc_frm_buf * frm_buf,struct mtk_vcodec_mem * bs_buf,struct venc_done_result * result)501 static int h264_enc_encode(unsigned long handle,
502 			   enum venc_start_opt opt,
503 			   struct venc_frm_buf *frm_buf,
504 			   struct mtk_vcodec_mem *bs_buf,
505 			   struct venc_done_result *result)
506 {
507 	int ret = 0;
508 	struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
509 	struct mtk_vcodec_ctx *ctx = inst->ctx;
510 
511 	mtk_vcodec_debug(inst, "opt %d ->", opt);
512 
513 	enable_irq(ctx->dev->enc_irq);
514 
515 	switch (opt) {
516 	case VENC_START_OPT_ENCODE_SEQUENCE_HEADER: {
517 		unsigned int bs_size_hdr;
518 
519 		ret = h264_encode_header(inst, bs_buf, &bs_size_hdr);
520 		if (ret)
521 			goto encode_err;
522 
523 		result->bs_size = bs_size_hdr;
524 		result->is_key_frm = false;
525 		break;
526 	}
527 
528 	case VENC_START_OPT_ENCODE_FRAME: {
529 		int hdr_sz;
530 		int hdr_sz_ext;
531 		int filler_sz = 0;
532 		const int bs_alignment = 128;
533 		struct mtk_vcodec_mem tmp_bs_buf;
534 		unsigned int bs_size_hdr;
535 		unsigned int bs_size_frm;
536 
537 		if (!inst->prepend_hdr) {
538 			ret = h264_encode_frame(inst, frm_buf, bs_buf,
539 						&result->bs_size);
540 			if (ret)
541 				goto encode_err;
542 			result->is_key_frm = inst->vpu_inst.is_key_frm;
543 			break;
544 		}
545 
546 		mtk_vcodec_debug(inst, "h264_encode_frame prepend SPS/PPS");
547 
548 		ret = h264_encode_header(inst, bs_buf, &bs_size_hdr);
549 		if (ret)
550 			goto encode_err;
551 
552 		hdr_sz = bs_size_hdr;
553 		hdr_sz_ext = (hdr_sz & (bs_alignment - 1));
554 		if (hdr_sz_ext) {
555 			filler_sz = bs_alignment - hdr_sz_ext;
556 			if (hdr_sz_ext + H264_FILLER_MARKER_SIZE > bs_alignment)
557 				filler_sz += bs_alignment;
558 			h264_encode_filler(inst, bs_buf->va + hdr_sz,
559 					   filler_sz);
560 		}
561 
562 		tmp_bs_buf.va = bs_buf->va + hdr_sz + filler_sz;
563 		tmp_bs_buf.dma_addr = bs_buf->dma_addr + hdr_sz + filler_sz;
564 		tmp_bs_buf.size = bs_buf->size - (hdr_sz + filler_sz);
565 
566 		ret = h264_encode_frame(inst, frm_buf, &tmp_bs_buf,
567 					&bs_size_frm);
568 		if (ret)
569 			goto encode_err;
570 
571 		result->bs_size = hdr_sz + filler_sz + bs_size_frm;
572 
573 		mtk_vcodec_debug(inst, "hdr %d filler %d frame %d bs %d",
574 				 hdr_sz, filler_sz, bs_size_frm,
575 				 result->bs_size);
576 
577 		inst->prepend_hdr = 0;
578 		result->is_key_frm = inst->vpu_inst.is_key_frm;
579 		break;
580 	}
581 
582 	default:
583 		mtk_vcodec_err(inst, "venc_start_opt %d not supported", opt);
584 		ret = -EINVAL;
585 		break;
586 	}
587 
588 encode_err:
589 
590 	disable_irq(ctx->dev->enc_irq);
591 	mtk_vcodec_debug(inst, "opt %d <-", opt);
592 
593 	return ret;
594 }
595 
h264_enc_set_param(unsigned long handle,enum venc_set_param_type type,struct venc_enc_param * enc_prm)596 static int h264_enc_set_param(unsigned long handle,
597 			      enum venc_set_param_type type,
598 			      struct venc_enc_param *enc_prm)
599 {
600 	int ret = 0;
601 	struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
602 
603 	mtk_vcodec_debug(inst, "->type=%d", type);
604 
605 	switch (type) {
606 	case VENC_SET_PARAM_ENC:
607 		inst->vsi->config.input_fourcc = enc_prm->input_yuv_fmt;
608 		inst->vsi->config.bitrate = enc_prm->bitrate;
609 		inst->vsi->config.pic_w = enc_prm->width;
610 		inst->vsi->config.pic_h = enc_prm->height;
611 		inst->vsi->config.buf_w = enc_prm->buf_width;
612 		inst->vsi->config.buf_h = enc_prm->buf_height;
613 		inst->vsi->config.gop_size = enc_prm->gop_size;
614 		inst->vsi->config.framerate = enc_prm->frm_rate;
615 		inst->vsi->config.intra_period = enc_prm->intra_period;
616 		inst->vsi->config.profile =
617 			h264_get_profile(inst, enc_prm->h264_profile);
618 		inst->vsi->config.level =
619 			h264_get_level(inst, enc_prm->h264_level);
620 		inst->vsi->config.wfd = 0;
621 		ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
622 		if (ret)
623 			break;
624 		if (inst->work_buf_allocated) {
625 			h264_enc_free_work_buf(inst);
626 			inst->work_buf_allocated = false;
627 		}
628 		ret = h264_enc_alloc_work_buf(inst);
629 		if (ret)
630 			break;
631 		inst->work_buf_allocated = true;
632 		break;
633 
634 	case VENC_SET_PARAM_PREPEND_HEADER:
635 		inst->prepend_hdr = 1;
636 		mtk_vcodec_debug(inst, "set prepend header mode");
637 		break;
638 
639 	default:
640 		ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
641 		break;
642 	}
643 
644 	mtk_vcodec_debug_leave(inst);
645 
646 	return ret;
647 }
648 
h264_enc_deinit(unsigned long handle)649 static int h264_enc_deinit(unsigned long handle)
650 {
651 	int ret = 0;
652 	struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
653 
654 	mtk_vcodec_debug_enter(inst);
655 
656 	ret = vpu_enc_deinit(&inst->vpu_inst);
657 
658 	if (inst->work_buf_allocated)
659 		h264_enc_free_work_buf(inst);
660 
661 	mtk_vcodec_debug_leave(inst);
662 	kfree(inst);
663 
664 	return ret;
665 }
666 
667 static const struct venc_common_if venc_h264_if = {
668 	.init = h264_enc_init,
669 	.encode = h264_enc_encode,
670 	.set_param = h264_enc_set_param,
671 	.deinit = h264_enc_deinit,
672 };
673 
674 const struct venc_common_if *get_h264_enc_comm_if(void);
675 
get_h264_enc_comm_if(void)676 const struct venc_common_if *get_h264_enc_comm_if(void)
677 {
678 	return &venc_h264_if;
679 }
680