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2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f 
 kernel/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
....@@ -1,18 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0
12 /*
23  * Copyright (c) 2016 MediaTek Inc.
34  * Author: Jungchang Tsao <jungchang.tsao@mediatek.com>
45  *         Daniel Hsiao <daniel.hsiao@mediatek.com>
56  *         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.
167  */
178 
189 #include <linux/interrupt.h>
....@@ -27,12 +18,21 @@
2718 #include "../venc_drv_base.h"
2819 #include "../venc_ipi_msg.h"
2920 #include "../venc_vpu_if.h"
30
-#include "mtk_vpu.h"
3121 
3222 static const char h264_filler_marker[] = {0x0, 0x0, 0x0, 0x1, 0xc};
3323 
3424 #define H264_FILLER_MARKER_SIZE ARRAY_SIZE(h264_filler_marker)
3525 #define VENC_PIC_BITSTREAM_BYTE_CNT 0x0098
26
+
27
+/*
28
+ * enum venc_h264_frame_type - h264 encoder output bitstream frame type
29
+ */
30
+enum venc_h264_frame_type {
31
+	VENC_H264_IDR_FRM,
32
+	VENC_H264_I_FRM,
33
+	VENC_H264_P_FRM,
34
+	VENC_H264_B_FRM,
35
+};
3636 
3737 /*
3838  * enum venc_h264_vpu_work_buf - h264 encoder buffer index
....@@ -148,6 +148,7 @@
148148 	struct mtk_vcodec_mem pps_buf;
149149 	bool work_buf_allocated;
150150 	unsigned int frm_cnt;
151
+	unsigned int skip_frm_cnt;
151152 	unsigned int prepend_hdr;
152153 	struct venc_vpu_inst vpu_inst;
153154 	struct venc_h264_vsi *vsi;
....@@ -266,8 +267,11 @@
266267 		 */
267268 		inst->work_bufs[i].size = wb[i].size;
268269 		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);
270
+			struct mtk_vcodec_fw *handler;
271
+
272
+			handler = inst->vpu_inst.ctx->dev->fw_handler;
273
+			inst->work_bufs[i].va =
274
+				mtk_vcodec_fw_map_dm_addr(handler, wb[i].vpua);
271275 			inst->work_bufs[i].dma_addr = 0;
272276 		} else {
273277 			ret = mtk_vcodec_mem_alloc(inst->ctx,
....@@ -284,10 +288,12 @@
284288 			 * setting in VPU side.
285289 			 */
286290 			if (i == VENC_H264_VPU_WORK_BUF_RC_CODE) {
291
+				struct mtk_vcodec_fw *handler;
287292 				void *tmp_va;
288293 
289
-				tmp_va = vpu_mapping_dm_addr(inst->vpu_inst.dev,
290
-							     wb[i].vpua);
294
+				handler = inst->vpu_inst.ctx->dev->fw_handler;
295
+				tmp_va = mtk_vcodec_fw_map_dm_addr(handler,
296
+								   wb[i].vpua);
291297 				memcpy(inst->work_bufs[i].va, tmp_va,
292298 				       wb[i].size);
293299 			}
....@@ -332,6 +338,22 @@
332338 	return irq_status;
333339 }
334340 
341
+static int h264_frame_type(struct venc_h264_inst *inst)
342
+{
343
+	if ((inst->vsi->config.gop_size != 0 &&
344
+	     (inst->frm_cnt % inst->vsi->config.gop_size) == 0) ||
345
+	    (inst->frm_cnt == 0 && inst->vsi->config.gop_size == 0)) {
346
+		/* IDR frame */
347
+		return VENC_H264_IDR_FRM;
348
+	} else if ((inst->vsi->config.intra_period != 0 &&
349
+		    (inst->frm_cnt % inst->vsi->config.intra_period) == 0) ||
350
+		   (inst->frm_cnt == 0 && inst->vsi->config.intra_period == 0)) {
351
+		/* I frame */
352
+		return VENC_H264_I_FRM;
353
+	} else {
354
+		return VENC_H264_P_FRM;  /* Note: B frames are not supported */
355
+	}
356
+}
335357 static int h264_encode_sps(struct venc_h264_inst *inst,
336358 			   struct mtk_vcodec_mem *bs_buf,
337359 			   unsigned int *bs_size)
....@@ -342,7 +364,7 @@
342364 	mtk_vcodec_debug_enter(inst);
343365 
344366 	ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_SPS, NULL,
345
-			     bs_buf, bs_size);
367
+			     bs_buf, bs_size, NULL);
346368 	if (ret)
347369 		return ret;
348370 
....@@ -369,7 +391,7 @@
369391 	mtk_vcodec_debug_enter(inst);
370392 
371393 	ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_PPS, NULL,
372
-			     bs_buf, bs_size);
394
+			     bs_buf, bs_size, NULL);
373395 	if (ret)
374396 		return ret;
375397 
....@@ -415,11 +437,18 @@
415437 {
416438 	int ret = 0;
417439 	unsigned int irq_status;
440
+	struct venc_frame_info frame_info;
418441 
419442 	mtk_vcodec_debug_enter(inst);
420
-
443
+	mtk_vcodec_debug(inst, "frm_cnt = %d\n ", inst->frm_cnt);
444
+	frame_info.frm_count = inst->frm_cnt;
445
+	frame_info.skip_frm_count = inst->skip_frm_cnt;
446
+	frame_info.frm_type = h264_frame_type(inst);
447
+	mtk_vcodec_debug(inst, "frm_count = %d,skip_frm_count =%d,frm_type=%d.\n",
448
+			 frame_info.frm_count, frame_info.skip_frm_count,
449
+			 frame_info.frm_type);
421450 	ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_FRAME, frm_buf,
422
-			     bs_buf, bs_size);
451
+			     bs_buf, bs_size, &frame_info);
423452 	if (ret)
424453 		return ret;
425454 
....@@ -433,6 +462,7 @@
433462 		       inst->work_bufs[VENC_H264_VPU_WORK_BUF_SKIP_FRAME].va,
434463 		       *bs_size);
435464 		++inst->frm_cnt;
465
+		++inst->skip_frm_cnt;
436466 		return ret;
437467 	}
438468 
....@@ -467,8 +497,9 @@
467497 	memset(p, 0xff, size);
468498 }
469499 
470
-static int h264_enc_init(struct mtk_vcodec_ctx *ctx, unsigned long *handle)
500
+static int h264_enc_init(struct mtk_vcodec_ctx *ctx)
471501 {
502
+	const bool is_ext = MTK_ENC_CTX_IS_EXT(ctx);
472503 	int ret = 0;
473504 	struct venc_h264_inst *inst;
474505 
....@@ -478,8 +509,7 @@
478509 
479510 	inst->ctx = ctx;
480511 	inst->vpu_inst.ctx = ctx;
481
-	inst->vpu_inst.dev = ctx->dev->vpu_plat_dev;
482
-	inst->vpu_inst.id = IPI_VENC_H264;
512
+	inst->vpu_inst.id = is_ext ? SCP_IPI_VENC_H264 : IPI_VENC_H264;
483513 	inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_SYS);
484514 
485515 	mtk_vcodec_debug_enter(inst);
....@@ -493,12 +523,12 @@
493523 	if (ret)
494524 		kfree(inst);
495525 	else
496
-		(*handle) = (unsigned long)inst;
526
+		ctx->drv_handle = inst;
497527 
498528 	return ret;
499529 }
500530 
501
-static int h264_enc_encode(unsigned long handle,
531
+static int h264_enc_encode(void *handle,
502532 			   enum venc_start_opt opt,
503533 			   struct venc_frm_buf *frm_buf,
504534 			   struct mtk_vcodec_mem *bs_buf,
....@@ -593,7 +623,7 @@
593623 	return ret;
594624 }
595625 
596
-static int h264_enc_set_param(unsigned long handle,
626
+static int h264_enc_set_param(void *handle,
597627 			      enum venc_set_param_type type,
598628 			      struct venc_enc_param *enc_prm)
599629 {
....@@ -635,7 +665,12 @@
635665 		inst->prepend_hdr = 1;
636666 		mtk_vcodec_debug(inst, "set prepend header mode");
637667 		break;
638
-
668
+	case VENC_SET_PARAM_FORCE_INTRA:
669
+	case VENC_SET_PARAM_GOP_SIZE:
670
+	case VENC_SET_PARAM_INTRA_PERIOD:
671
+		inst->frm_cnt = 0;
672
+		inst->skip_frm_cnt = 0;
673
+		fallthrough;
639674 	default:
640675 		ret = vpu_enc_set_param(&inst->vpu_inst, type, enc_prm);
641676 		break;
....@@ -646,7 +681,7 @@
646681 	return ret;
647682 }
648683 
649
-static int h264_enc_deinit(unsigned long handle)
684
+static int h264_enc_deinit(void *handle)
650685 {
651686 	int ret = 0;
652687 	struct venc_h264_inst *inst = (struct venc_h264_inst *)handle;
....@@ -664,16 +699,9 @@
664699 	return ret;
665700 }
666701 
667
-static const struct venc_common_if venc_h264_if = {
702
+const struct venc_common_if venc_h264_if = {
668703 	.init = h264_enc_init,
669704 	.encode = h264_enc_encode,
670705 	.set_param = h264_enc_set_param,
671706 	.deinit = h264_enc_deinit,
672707 };
673
-
674
-const struct venc_common_if *get_h264_enc_comm_if(void);
675
-
676
-const struct venc_common_if *get_h264_enc_comm_if(void)
677
-{
678
-	return &venc_h264_if;
679
-}