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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf 
 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)
....@@ -230,10 +226,11 @@
230226 		if (fb->base_y.va == addr) {
231227 			list_move_tail(&node->list,
232228 				       &inst->available_fb_node_list);
233
-			break;
229
+			return fb;
234230 		}
235231 	}
236
-	return fb;
232
+
233
+	return NULL;
237234 }
238235 
239236 static void vp9_add_to_fb_free_list(struct vdec_vp9_inst *inst,
....@@ -481,15 +478,15 @@
481478 		 */
482479 		if ((frm_to_show->fb != NULL) &&
483480 			(inst->cur_fb->base_y.size >=
484
-			frm_to_show->fb->base_y.size)) {
481
+			frm_to_show->fb->base_y.size) &&
482
+			(inst->cur_fb->base_c.size >=
483
+			frm_to_show->fb->base_c.size)) {
485484 			memcpy((void *)inst->cur_fb->base_y.va,
486485 				(void *)frm_to_show->fb->base_y.va,
487
-				vsi->buf_w *
488
-				vsi->buf_h);
486
+				frm_to_show->fb->base_y.size);
489487 			memcpy((void *)inst->cur_fb->base_c.va,
490488 				(void *)frm_to_show->fb->base_c.va,
491
-				vsi->buf_w *
492
-				vsi->buf_h / 2);
489
+				frm_to_show->fb->base_c.size);
493490 		} else {
494491 			/* After resolution change case, current CAPTURE buffer
495492 			 * may have less buffer size than frm_to_show buffer
....@@ -502,12 +499,12 @@
502499 					frm_to_show->fb->base_y.size);
503500 		}
504501 		if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
505
-			if (vsi->show_frame)
502
+			if (vsi->show_frame & BIT(0))
506503 				vp9_add_to_fb_disp_list(inst, inst->cur_fb);
507504 		}
508505 	} else {
509506 		if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) {
510
-			if (vsi->show_frame)
507
+			if (vsi->show_frame & BIT(0))
511508 				vp9_add_to_fb_disp_list(inst, frm_to_show->fb);
512509 		}
513510 	}
....@@ -702,10 +699,8 @@
702699 
703700 static void get_pic_info(struct vdec_vp9_inst *inst, struct vdec_pic_info *pic)
704701 {
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;
702
+	pic->fb_sz[0] = inst->vsi->buf_sz_y_bs + inst->vsi->buf_len_sz_y;
703
+	pic->fb_sz[1] = inst->vsi->buf_sz_c_bs + inst->vsi->buf_len_sz_c;
709704 
710705 	pic->pic_w = inst->vsi->pic_w;
711706 	pic->pic_h = inst->vsi->pic_h;
....@@ -714,8 +709,9 @@
714709 
715710 	mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
716711 		 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);
712
+	mtk_vcodec_debug(inst, "fb size: Y(%d), C(%d)",
713
+		pic->fb_sz[0],
714
+		pic->fb_sz[1]);
719715 }
720716 
721717 static void get_disp_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
....@@ -766,7 +762,7 @@
766762 	return 0;
767763 }
768764 
769
-static void vdec_vp9_deinit(unsigned long h_vdec)
765
+static void vdec_vp9_deinit(void *h_vdec)
770766 {
771767 	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
772768 	struct mtk_vcodec_mem *mem;
....@@ -788,7 +784,7 @@
788784 	vp9_free_inst(inst);
789785 }
790786 
791
-static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
787
+static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx)
792788 {
793789 	struct vdec_vp9_inst *inst;
794790 
....@@ -800,9 +796,7 @@
800796 	inst->ctx = ctx;
801797 
802798 	inst->vpu.id = IPI_VDEC_VP9;
803
-	inst->vpu.dev = ctx->dev->vpu_plat_dev;
804799 	inst->vpu.ctx = ctx;
805
-	inst->vpu.handler = vpu_dec_ipi_handler;
806800 
807801 	if (vpu_dec_init(&inst->vpu)) {
808802 		mtk_vcodec_err(inst, "vp9_dec_vpu_init failed");
....@@ -810,9 +804,12 @@
810804 	}
811805 
812806 	inst->vsi = (struct vdec_vp9_vsi *)inst->vpu.vsi;
807
+
808
+	inst->vsi->show_frame |= BIT(3);
809
+
813810 	init_all_fb_lists(inst);
814811 
815
-	(*h_vdec) = (unsigned long)inst;
812
+	ctx->drv_handle = inst;
816813 	return 0;
817814 
818815 err_deinit_inst:
....@@ -821,8 +818,8 @@
821818 	return -EINVAL;
822819 }
823820 
824
-static int vdec_vp9_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
825
-		   struct vdec_fb *fb, bool *res_chg)
821
+static int vdec_vp9_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
822
+			   struct vdec_fb *fb, bool *res_chg)
826823 {
827824 	int ret = 0;
828825 	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
....@@ -880,11 +877,26 @@
880877 					vsi->sf_frm_sz[idx]);
881878 			}
882879 		}
883
-		memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
880
+
881
+		if (!(vsi->show_frame & BIT(4)))
882
+			memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
883
+
884884 		ret = vpu_dec_start(&inst->vpu, data, 3);
885885 		if (ret) {
886886 			mtk_vcodec_err(inst, "vpu_dec_start failed");
887887 			goto DECODE_ERROR;
888
+		}
889
+
890
+		if (vsi->show_frame & BIT(1)) {
891
+			memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
892
+
893
+			if (vsi->show_frame & BIT(2)) {
894
+				ret = vpu_dec_start(&inst->vpu, NULL, 0);
895
+				if (ret) {
896
+					mtk_vcodec_err(inst, "vpu trig decoder failed");
897
+					goto DECODE_ERROR;
898
+				}
899
+			}
888900 		}
889901 
890902 		ret = validate_vsi_array_indexes(inst, vsi);
....@@ -895,7 +907,7 @@
895907 
896908 		if (vsi->resolution_changed) {
897909 			if (!vp9_alloc_work_buf(inst)) {
898
-				ret = -EINVAL;
910
+				ret = -EIO;
899911 				goto DECODE_ERROR;
900912 			}
901913 		}
....@@ -924,14 +936,12 @@
924936 
925937 		if (vsi->show_existing_frame && (vsi->frm_to_show_idx <
926938 					VP9_MAX_FRM_BUF_NUM)) {
927
-			mtk_vcodec_err(inst,
939
+			mtk_vcodec_debug(inst,
928940 				"Skip Decode drv->new_fb_idx=%d, drv->frm_to_show_idx=%d",
929941 				vsi->new_fb_idx, vsi->frm_to_show_idx);
930942 
931943 			vp9_ref_cnt_fb(inst, &vsi->new_fb_idx,
932944 					vsi->frm_to_show_idx);
933
-			ret = -EINVAL;
934
-			goto DECODE_ERROR;
935945 		}
936946 
937947 		/* VPU assign the buffer pointer in its address space,
....@@ -951,7 +961,7 @@
951961 			goto DECODE_ERROR;
952962 		}
953963 
954
-		if (vp9_decode_end_proc(inst) != true) {
964
+		if (!vp9_decode_end_proc(inst)) {
955965 			mtk_vcodec_err(inst, "vp9_decode_end_proc");
956966 			ret = -EINVAL;
957967 			goto DECODE_ERROR;
....@@ -980,8 +990,8 @@
980990 			 cr->left, cr->top, cr->width, cr->height);
981991 }
982992 
983
-static int vdec_vp9_get_param(unsigned long h_vdec,
984
-		enum vdec_get_param_type type, void *out)
993
+static int vdec_vp9_get_param(void *h_vdec, enum vdec_get_param_type type,
994
+			      void *out)
985995 {
986996 	struct vdec_vp9_inst *inst = (struct vdec_vp9_inst *)h_vdec;
987997 	int ret = 0;
....@@ -1011,16 +1021,9 @@
10111021 	return ret;
10121022 }
10131023 
1014
-static struct vdec_common_if vdec_vp9_if = {
1024
+const struct vdec_common_if vdec_vp9_if = {
10151025 	.init		= vdec_vp9_init,
10161026 	.decode		= vdec_vp9_decode,
10171027 	.get_param	= vdec_vp9_get_param,
10181028 	.deinit		= vdec_vp9_deinit,
10191029 };
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
-}