]> Git Repo - J-linux.git/blob - drivers/media/platform/mediatek/vcodec/decoder/vdec_drv_if.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / drivers / media / platform / mediatek / vcodec / decoder / vdec_drv_if.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2016 MediaTek Inc.
4  * Author: PC Chen <[email protected]>
5  *         Tiffany Lin <[email protected]>
6  */
7
8 #include <linux/interrupt.h>
9 #include <linux/kernel.h>
10 #include <linux/slab.h>
11
12 #include "vdec_drv_if.h"
13 #include "mtk_vcodec_dec.h"
14 #include "vdec_drv_base.h"
15 #include "mtk_vcodec_dec_pm.h"
16
17 int vdec_if_init(struct mtk_vcodec_dec_ctx *ctx, unsigned int fourcc)
18 {
19         enum mtk_vdec_hw_arch hw_arch = ctx->dev->vdec_pdata->hw_arch;
20         int ret = 0;
21
22         switch (fourcc) {
23         case V4L2_PIX_FMT_H264_SLICE:
24                 if (!ctx->dev->vdec_pdata->is_subdev_supported) {
25                         ctx->dec_if = &vdec_h264_slice_if;
26                         ctx->hw_id = MTK_VDEC_CORE;
27                 } else {
28                         ctx->dec_if = &vdec_h264_slice_multi_if;
29                         ctx->hw_id = IS_VDEC_LAT_ARCH(hw_arch) ? MTK_VDEC_LAT0 : MTK_VDEC_CORE;
30                 }
31                 break;
32         case V4L2_PIX_FMT_H264:
33                 ctx->dec_if = &vdec_h264_if;
34                 ctx->hw_id = MTK_VDEC_CORE;
35                 break;
36         case V4L2_PIX_FMT_VP8_FRAME:
37                 ctx->dec_if = &vdec_vp8_slice_if;
38                 ctx->hw_id = MTK_VDEC_CORE;
39                 break;
40         case V4L2_PIX_FMT_VP8:
41                 ctx->dec_if = &vdec_vp8_if;
42                 ctx->hw_id = MTK_VDEC_CORE;
43                 break;
44         case V4L2_PIX_FMT_VP9:
45                 ctx->dec_if = &vdec_vp9_if;
46                 ctx->hw_id = MTK_VDEC_CORE;
47                 break;
48         case V4L2_PIX_FMT_VP9_FRAME:
49                 ctx->dec_if = &vdec_vp9_slice_lat_if;
50                 ctx->hw_id = IS_VDEC_LAT_ARCH(hw_arch) ? MTK_VDEC_LAT0 : MTK_VDEC_CORE;
51                 break;
52         case V4L2_PIX_FMT_HEVC_SLICE:
53                 ctx->dec_if = &vdec_hevc_slice_multi_if;
54                 ctx->hw_id = MTK_VDEC_LAT0;
55                 break;
56         case V4L2_PIX_FMT_AV1_FRAME:
57                 ctx->dec_if = &vdec_av1_slice_lat_if;
58                 ctx->hw_id = MTK_VDEC_LAT0;
59                 break;
60         default:
61                 return -EINVAL;
62         }
63
64         mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id);
65         ret = ctx->dec_if->init(ctx);
66         mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id);
67
68         return ret;
69 }
70
71 int vdec_if_decode(struct mtk_vcodec_dec_ctx *ctx, struct mtk_vcodec_mem *bs,
72                    struct vdec_fb *fb, bool *res_chg)
73 {
74         int ret = 0;
75
76         if (bs) {
77                 if ((bs->dma_addr & 63) != 0) {
78                         mtk_v4l2_vdec_err(ctx, "bs dma_addr should 64 byte align");
79                         return -EINVAL;
80                 }
81         }
82
83         if (fb) {
84                 if (((fb->base_y.dma_addr & 511) != 0) ||
85                     ((fb->base_c.dma_addr & 511) != 0)) {
86                         mtk_v4l2_vdec_err(ctx, "frame buffer dma_addr should 512 byte align");
87                         return -EINVAL;
88                 }
89         }
90
91         if (!ctx->drv_handle)
92                 return -EIO;
93
94         mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id);
95         mtk_vcodec_set_curr_ctx(ctx->dev, ctx, ctx->hw_id);
96         ret = ctx->dec_if->decode(ctx->drv_handle, bs, fb, res_chg);
97         mtk_vcodec_set_curr_ctx(ctx->dev, NULL, ctx->hw_id);
98         mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id);
99
100         return ret;
101 }
102
103 int vdec_if_get_param(struct mtk_vcodec_dec_ctx *ctx, enum vdec_get_param_type type,
104                       void *out)
105 {
106         int ret = 0;
107
108         if (!ctx->drv_handle)
109                 return -EIO;
110
111         mtk_vdec_lock(ctx);
112         ret = ctx->dec_if->get_param(ctx->drv_handle, type, out);
113         mtk_vdec_unlock(ctx);
114
115         return ret;
116 }
117
118 void vdec_if_deinit(struct mtk_vcodec_dec_ctx *ctx)
119 {
120         if (!ctx->drv_handle)
121                 return;
122
123         mtk_vcodec_dec_enable_hardware(ctx, ctx->hw_id);
124         ctx->dec_if->deinit(ctx->drv_handle);
125         mtk_vcodec_dec_disable_hardware(ctx, ctx->hw_id);
126
127         ctx->drv_handle = NULL;
128 }
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