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2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d 
 kernel/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
....@@ -1,17 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0
12 /*
23  * Copyright (c) 2016 MediaTek Inc.
34  * Author: Daniel Hsiao <daniel.hsiao@mediatek.com>
45  *	Kai-Sean Yang <kai-sean.yang@mediatek.com>
56  *	Tiffany Lin <tiffany.lin@mediatek.com>
6
- *
7
- * This program is free software; you can redistribute it and/or
8
- * modify it under the terms of the GNU General Public License
9
- * version 2 as published by the Free Software Foundation.
10
- *
11
- * This program is distributed in the hope that it will be useful,
12
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
- * GNU General Public License for more details.
157  */
168 
179 #include <linux/fs.h>
....@@ -118,7 +110,11 @@
118110  * @buf_len_sz_c : size used to store cbcr plane ufo info (AP-R, VPU-W)
119111 
120112  * @profile : profile sparsed from vpu (AP-R, VPU-W)
121
- * @show_frame : display this frame or not (AP-R, VPU-W)
113
+ * @show_frame : [BIT(0)] display this frame or not (AP-R, VPU-W)
114
+ *	[BIT(1)] reset segment data or not (AP-R, VPU-W)
115
+ *	[BIT(2)] trig decoder hardware or not (AP-R, VPU-W)
116
+ *	[BIT(3)] ask VPU to set bits(0~4) accordingly (AP-W, VPU-R)
117
+ *	[BIT(4)] do not reset segment data before every frame (AP-R, VPU-W)
122118  * @show_existing_frame : inform this frame is show existing frame
123119  *	(AP-R, VPU-W)
124120  * @frm_to_show_idx : index to show frame (AP-R, VPU-W)
....@@ -481,15 +477,15 @@
481477 		 */
482478 		if ((frm_to_show->fb != NULL) &&
483479 			(inst->cur_fb->base_y.size >=
484
-			frm_to_show->fb->base_y.size)) {
480
+			frm_to_show->fb->base_y.size) &&
481
+			(inst->cur_fb->base_c.size >=
482
+			frm_to_show->fb->base_c.size)) {
485483 			memcpy((void *)inst->cur_fb->base_y.va,
486484 				(void *)frm_to_show->fb->base_y.va,
487
-				vsi->buf_w *
488
-				vsi->buf_h);
485
+				frm_to_show->fb->base_y.size);
489486 			memcpy((void *)inst->cur_fb->base_c.va,
490487 				(void *)frm_to_show->fb->base_c.va,
491
-				vsi->buf_w *
492
-				vsi->buf_h / 2);
488
+				frm_to_show->fb->base_c.size);
493489 		} else {
494490 			/* After resolution change case, current CAPTURE buffer
495491 			 * may have less buffer size than frm_to_show buffer
....@@ -502,12 +498,12 @@
502498 					frm_to_show->fb->base_y.size);
503499 		}
504500 		if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
505
-			if (vsi->show_frame)
501
+			if (vsi->show_frame & BIT(0))
506502 				vp9_add_to_fb_disp_list(inst, inst->cur_fb);
507503 		}
508504 	} else {
509505 		if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
510
-			if (vsi->show_frame)
506
+			if (vsi->show_frame & BIT(0))
511507 				vp9_add_to_fb_disp_list(inst, frm_to_show->fb);
512508 		}
513509 	}
....@@ -702,10 +698,8 @@
702698 
703699 static void get_pic_info(struct vdec_vp9_inst *inst, struct vdec_pic_info *pic)
704700 {
705
-	pic->y_bs_sz = inst->vsi->buf_sz_y_bs;
706
-	pic->c_bs_sz = inst->vsi->buf_sz_c_bs;
707
-	pic->y_len_sz = inst->vsi->buf_len_sz_y;
708
-	pic->c_len_sz = inst->vsi->buf_len_sz_c;
701
+	pic->fb_sz[0] = inst->vsi->buf_sz_y_bs + inst->vsi->buf_len_sz_y;
702
+	pic->fb_sz[1] = inst->vsi->buf_sz_c_bs + inst->vsi->buf_len_sz_c;
709703 
710704 	pic->pic_w = inst->vsi->pic_w;
711705 	pic->pic_h = inst->vsi->pic_h;
....@@ -714,8 +708,9 @@
714708 
715709 	mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
716710 		 pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
717
-	mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
718
-		 pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
711
+	mtk_vcodec_debug(inst, "fb size: Y(%d), C(%d)",
712
+		pic->fb_sz[0],
713
+		pic->fb_sz[1]);
719714 }
720715 
721716 static void get_disp_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
....@@ -766,7 +761,7 @@
766761 	return 0;
767762 }
768763 
769
-static void vdec_vp9_deinit(unsigned long h_vdec)
764
+static void vdec_vp9_deinit(void *h_vdec)
770765 {
771766 	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
772767 	struct mtk_vcodec_mem *mem;
....@@ -788,7 +783,7 @@
788783 	vp9_free_inst(inst);
789784 }
790785 
791
-static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
786
+static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx)
792787 {
793788 	struct vdec_vp9_inst *inst;
794789 
....@@ -800,9 +795,7 @@
800795 	inst->ctx = ctx;
801796 
802797 	inst->vpu.id = IPI_VDEC_VP9;
803
-	inst->vpu.dev = ctx->dev->vpu_plat_dev;
804798 	inst->vpu.ctx = ctx;
805
-	inst->vpu.handler = vpu_dec_ipi_handler;
806799 
807800 	if (vpu_dec_init(&inst->vpu)) {
808801 		mtk_vcodec_err(inst, "vp9_dec_vpu_init failed");
....@@ -810,9 +803,12 @@
810803 	}
811804 
812805 	inst->vsi = (struct vdec_vp9_vsi *)inst->vpu.vsi;
806
+
807
+	inst->vsi->show_frame |= BIT(3);
808
+
813809 	init_all_fb_lists(inst);
814810 
815
-	(*h_vdec) = (unsigned long)inst;
811
+	ctx->drv_handle = inst;
816812 	return 0;
817813 
818814 err_deinit_inst:
....@@ -821,8 +817,8 @@
821817 	return -EINVAL;
822818 }
823819 
824
-static int vdec_vp9_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
825
-		   struct vdec_fb *fb, bool *res_chg)
820
+static int vdec_vp9_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
821
+			   struct vdec_fb *fb, bool *res_chg)
826822 {
827823 	int ret = 0;
828824 	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
....@@ -880,11 +876,26 @@
880876 					vsi->sf_frm_sz[idx]);
881877 			}
882878 		}
883
-		memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
879
+
880
+		if (!(vsi->show_frame & BIT(4)))
881
+			memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
882
+
884883 		ret = vpu_dec_start(&inst->vpu, data, 3);
885884 		if (ret) {
886885 			mtk_vcodec_err(inst, "vpu_dec_start failed");
887886 			goto DECODE_ERROR;
887
+		}
888
+
889
+		if (vsi->show_frame & BIT(1)) {
890
+			memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
891
+
892
+			if (vsi->show_frame & BIT(2)) {
893
+				ret = vpu_dec_start(&inst->vpu, NULL, 0);
894
+				if (ret) {
895
+					mtk_vcodec_err(inst, "vpu trig decoder failed");
896
+					goto DECODE_ERROR;
897
+				}
898
+			}
888899 		}
889900 
890901 		ret = validate_vsi_array_indexes(inst, vsi);
....@@ -895,7 +906,7 @@
895906 
896907 		if (vsi->resolution_changed) {
897908 			if (!vp9_alloc_work_buf(inst)) {
898
-				ret = -EINVAL;
909
+				ret = -EIO;
899910 				goto DECODE_ERROR;
900911 			}
901912 		}
....@@ -924,14 +935,12 @@
924935 
925936 		if (vsi->show_existing_frame && (vsi->frm_to_show_idx <
926937 					VP9_MAX_FRM_BUF_NUM)) {
927
-			mtk_vcodec_err(inst,
938
+			mtk_vcodec_debug(inst,
928939 				"Skip Decode drv->new_fb_idx=%d, drv->frm_to_show_idx=%d",
929940 				vsi->new_fb_idx, vsi->frm_to_show_idx);
930941 
931942 			vp9_ref_cnt_fb(inst, &vsi->new_fb_idx,
932943 					vsi->frm_to_show_idx);
933
-			ret = -EINVAL;
934
-			goto DECODE_ERROR;
935944 		}
936945 
937946 		/* VPU assign the buffer pointer in its address space,
....@@ -951,7 +960,7 @@
951960 			goto DECODE_ERROR;
952961 		}
953962 
954
-		if (vp9_decode_end_proc(inst) != true) {
963
+		if (!vp9_decode_end_proc(inst)) {
955964 			mtk_vcodec_err(inst, "vp9_decode_end_proc");
956965 			ret = -EINVAL;
957966 			goto DECODE_ERROR;
....@@ -980,8 +989,8 @@
980989 			 cr->left, cr->top, cr->width, cr->height);
981990 }
982991 
983
-static int vdec_vp9_get_param(unsigned long h_vdec,
984
-		enum vdec_get_param_type type, void *out)
992
+static int vdec_vp9_get_param(void *h_vdec, enum vdec_get_param_type type,
993
+			      void *out)
985994 {
986995 	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
987996 	int ret = 0;
....@@ -1011,16 +1020,9 @@
10111020 	return ret;
10121021 }
10131022 
1014
-static struct vdec_common_if vdec_vp9_if = {
1023
+const struct vdec_common_if vdec_vp9_if = {
10151024 	.init		= vdec_vp9_init,
10161025 	.decode		= vdec_vp9_decode,
10171026 	.get_param	= vdec_vp9_get_param,
10181027 	.deinit		= vdec_vp9_deinit,
10191028 };
1020
-
1021
-struct vdec_common_if *get_vp9_dec_comm_if(void);
1022
-
1023
-struct vdec_common_if *get_vp9_dec_comm_if(void)
1024
-{
1025
-	return &vdec_vp9_if;
1026
-}