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([87.200.95.144]) by smtp.gmail.com with ESMTPSA id v7-20020a05600c470700b003ed2a458a7asm2710590wmo.44.2023.03.14.04.43.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Mar 2023 04:43:25 -0700 (PDT) From: Christian Hewitt To: Neil Armstrong , Mauro Carvalho Chehab , Greg Kroah-Hartman , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Christian Hewitt , Benjamin Roszak Subject: [PATCH v3 1/2] media: meson: vdec: implement 10bit bitstream handling Date: Tue, 14 Mar 2023 11:43:17 +0000 Message-Id: <20230314114318.4057353-2-christianshewitt@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230314114318.4057353-1-christianshewitt@gmail.com> References: <20230314114318.4057353-1-christianshewitt@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Benjamin Roszak In order to support 10bit bitstream decoding, buffers and MMU handling must be cleaned up to support either downscale output from compressed 10bit decoding to uncompressed 8bit NV12 output or to compressed 10bit proprietary encoded frame format. For that, "am21c" name is moved to "amfbc" to reflect the upstream Amlogic Compressed framebuffer modifier naming. Compressed frame buffers allocation is also cleaned up so it can be shared with the HEVC decoder implementation. Signed-off-by: Benjamin Roszak Signed-off-by: Christian Hewitt --- drivers/staging/media/meson/vdec/codec_h264.c | 3 +- .../media/meson/vdec/codec_hevc_common.c | 161 +++++++++++------- .../media/meson/vdec/codec_hevc_common.h | 3 +- drivers/staging/media/meson/vdec/codec_vp9.c | 35 ++-- drivers/staging/media/meson/vdec/esparser.c | 1 + drivers/staging/media/meson/vdec/vdec.h | 1 + .../staging/media/meson/vdec/vdec_helpers.c | 44 +++-- .../staging/media/meson/vdec/vdec_helpers.h | 10 +- 8 files changed, 161 insertions(+), 97 deletions(-) diff --git a/drivers/staging/media/meson/vdec/codec_h264.c b/drivers/staging/media/meson/vdec/codec_h264.c index c61128fc4bb9..d53c9a464bde 100644 --- a/drivers/staging/media/meson/vdec/codec_h264.c +++ b/drivers/staging/media/meson/vdec/codec_h264.c @@ -353,7 +353,8 @@ static void codec_h264_src_change(struct amvdec_session *sess) frame_width, frame_height, crop_right, crop_bottom); codec_h264_set_par(sess); - amvdec_src_change(sess, frame_width, frame_height, h264->max_refs + 5); + amvdec_src_change(sess, frame_width, frame_height, + h264->max_refs + 5, 8); } /* diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.c b/drivers/staging/media/meson/vdec/codec_hevc_common.c index 0315cc0911cd..1c74b4837dcb 100644 --- a/drivers/staging/media/meson/vdec/codec_hevc_common.c +++ b/drivers/staging/media/meson/vdec/codec_hevc_common.c @@ -30,8 +30,11 @@ const u16 vdec_hevc_parser_cmd[] = { void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit) { struct amvdec_core *core = sess->core; - u32 body_size = amvdec_am21c_body_size(sess->width, sess->height); - u32 head_size = amvdec_am21c_head_size(sess->width, sess->height); + u32 use_mmu = codec_hevc_use_mmu(core->platform->revision, + sess->pixfmt_cap, is_10bit); + u32 body_size = amvdec_amfbc_body_size(sess->width, sess->height, + is_10bit, use_mmu); + u32 head_size = amvdec_amfbc_head_size(sess->width, sess->height); if (!codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit)) { /* Enable 2-plane reference read mode */ @@ -39,9 +42,17 @@ void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit) return; } + /* enable mem saving mode for 8-bit */ + if (!is_10bit) + amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(9)); + else + amvdec_clear_dos_bits(core, HEVC_SAO_CTRL5, BIT(9)); + if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, is_10bit)) amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(4)); + else if (!is_10bit) + amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(3)); else amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, 0); @@ -73,7 +84,7 @@ static void codec_hevc_setup_buffers_gxbb(struct amvdec_session *sess, idx = vb->index; - if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) + if (codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit)) buf_y_paddr = comm->fbc_buffer_paddr[idx]; else buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0); @@ -114,8 +125,8 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess, { struct amvdec_core *core = sess->core; struct v4l2_m2m_buffer *buf; - u32 revision = core->platform->revision; u32 pixfmt_cap = sess->pixfmt_cap; + const u32 revision = core->platform->revision; int i; amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR, @@ -127,12 +138,14 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess, dma_addr_t buf_uv_paddr = 0; u32 idx = vb->index; - if (codec_hevc_use_mmu(revision, pixfmt_cap, is_10bit)) - buf_y_paddr = comm->mmu_header_paddr[idx]; - else if (codec_hevc_use_downsample(pixfmt_cap, is_10bit)) - buf_y_paddr = comm->fbc_buffer_paddr[idx]; - else + if (codec_hevc_use_downsample(pixfmt_cap, is_10bit)) { + if (codec_hevc_use_mmu(revision, pixfmt_cap, is_10bit)) + buf_y_paddr = comm->mmu_header_paddr[idx]; + else + buf_y_paddr = comm->fbc_buffer_paddr[idx]; + } else { buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0); + } amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_DATA, buf_y_paddr >> 5); @@ -150,60 +163,67 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess, amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR, 0); } -void codec_hevc_free_fbc_buffers(struct amvdec_session *sess, +void codec_hevc_free_mmu_headers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; - u32 am21_size = amvdec_am21c_size(sess->width, sess->height); int i; for (i = 0; i < MAX_REF_PIC_NUM; ++i) { - if (comm->fbc_buffer_vaddr[i]) { - dma_free_coherent(dev, am21_size, - comm->fbc_buffer_vaddr[i], - comm->fbc_buffer_paddr[i]); - comm->fbc_buffer_vaddr[i] = NULL; + if (comm->mmu_header_vaddr[i]) { + dma_free_coherent(dev, MMU_COMPRESS_HEADER_SIZE, + comm->mmu_header_vaddr[i], + comm->mmu_header_paddr[i]); + comm->mmu_header_vaddr[i] = NULL; } } } -EXPORT_SYMBOL_GPL(codec_hevc_free_fbc_buffers); +EXPORT_SYMBOL_GPL(codec_hevc_free_mmu_headers); -static int codec_hevc_alloc_fbc_buffers(struct amvdec_session *sess, +static int codec_hevc_alloc_mmu_headers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; struct v4l2_m2m_buffer *buf; - u32 am21_size = amvdec_am21c_size(sess->width, sess->height); v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) { u32 idx = buf->vb.vb2_buf.index; dma_addr_t paddr; - void *vaddr = dma_alloc_coherent(dev, am21_size, &paddr, - GFP_KERNEL); + void *vaddr = dma_alloc_coherent(dev, MMU_COMPRESS_HEADER_SIZE, + &paddr, GFP_KERNEL); if (!vaddr) { - codec_hevc_free_fbc_buffers(sess, comm); + codec_hevc_free_mmu_headers(sess, comm); return -ENOMEM; } - comm->fbc_buffer_vaddr[idx] = vaddr; - comm->fbc_buffer_paddr[idx] = paddr; + comm->mmu_header_vaddr[idx] = vaddr; + comm->mmu_header_paddr[idx] = paddr; } return 0; } -void codec_hevc_free_mmu_headers(struct amvdec_session *sess, +void codec_hevc_free_fbc_buffers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; + u32 use_mmu; + u32 am21_size; int i; + use_mmu = codec_hevc_use_mmu(sess->core->platform->revision, + sess->pixfmt_cap, + sess->bitdepth == 10 ? 1 : 0); + + am21_size = amvdec_amfbc_size(sess->width, sess->height, + sess->bitdepth == 10 ? 1 : 0, use_mmu); + for (i = 0; i < MAX_REF_PIC_NUM; ++i) { - if (comm->mmu_header_vaddr[i]) { - dma_free_coherent(dev, MMU_COMPRESS_HEADER_SIZE, - comm->mmu_header_vaddr[i], - comm->mmu_header_paddr[i]); - comm->mmu_header_vaddr[i] = NULL; + if (comm->fbc_buffer_vaddr[i]) { + dma_free_coherent(dev, am21_size, + comm->fbc_buffer_vaddr[i], + comm->fbc_buffer_paddr[i]); + comm->fbc_buffer_vaddr[i] = NULL; } } @@ -213,33 +233,50 @@ void codec_hevc_free_mmu_headers(struct amvdec_session *sess, comm->mmu_map_paddr); comm->mmu_map_vaddr = NULL; } + + codec_hevc_free_mmu_headers(sess, comm); } -EXPORT_SYMBOL_GPL(codec_hevc_free_mmu_headers); +EXPORT_SYMBOL_GPL(codec_hevc_free_fbc_buffers); -static int codec_hevc_alloc_mmu_headers(struct amvdec_session *sess, +static int codec_hevc_alloc_fbc_buffers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; struct v4l2_m2m_buffer *buf; + u32 use_mmu; + u32 am21_size; + const u32 revision = sess->core->platform->revision; + const u32 is_10bit = sess->bitdepth == 10 ? 1 : 0; + int ret; - comm->mmu_map_vaddr = dma_alloc_coherent(dev, MMU_MAP_SIZE, - &comm->mmu_map_paddr, - GFP_KERNEL); - if (!comm->mmu_map_vaddr) - return -ENOMEM; + use_mmu = codec_hevc_use_mmu(revision, sess->pixfmt_cap, + is_10bit); + + am21_size = amvdec_amfbc_size(sess->width, sess->height, + is_10bit, use_mmu); v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) { u32 idx = buf->vb.vb2_buf.index; dma_addr_t paddr; - void *vaddr = dma_alloc_coherent(dev, MMU_COMPRESS_HEADER_SIZE, - &paddr, GFP_KERNEL); + + void *vaddr = dma_alloc_coherent(dev, am21_size, &paddr, + GFP_KERNEL); if (!vaddr) { - codec_hevc_free_mmu_headers(sess, comm); + codec_hevc_free_fbc_buffers(sess, comm); return -ENOMEM; } - comm->mmu_header_vaddr[idx] = vaddr; - comm->mmu_header_paddr[idx] = paddr; + comm->fbc_buffer_vaddr[idx] = vaddr; + comm->fbc_buffer_paddr[idx] = paddr; + } + + if (codec_hevc_use_mmu(revision, sess->pixfmt_cap, is_10bit) && + codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) { + ret = codec_hevc_alloc_mmu_headers(sess, comm); + if (ret) { + codec_hevc_free_fbc_buffers(sess, comm); + return ret; + } } return 0; @@ -250,21 +287,24 @@ int codec_hevc_setup_buffers(struct amvdec_session *sess, int is_10bit) { struct amvdec_core *core = sess->core; + struct device *dev = core->dev; int ret; - if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) { - ret = codec_hevc_alloc_fbc_buffers(sess, comm); - if (ret) - return ret; + if (codec_hevc_use_mmu(core->platform->revision, + sess->pixfmt_cap, is_10bit)) { + comm->mmu_map_vaddr = dma_alloc_coherent(dev, MMU_MAP_SIZE, + &comm->mmu_map_paddr, + GFP_KERNEL); + if (!comm->mmu_map_vaddr) + return -ENOMEM; } if (codec_hevc_use_mmu(core->platform->revision, - sess->pixfmt_cap, is_10bit)) { - ret = codec_hevc_alloc_mmu_headers(sess, comm); - if (ret) { - codec_hevc_free_fbc_buffers(sess, comm); + sess->pixfmt_cap, is_10bit) || + codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) { + ret = codec_hevc_alloc_fbc_buffers(sess, comm); + if (ret) return ret; - } } if (core->platform->revision == VDEC_REVISION_GXBB) @@ -278,19 +318,24 @@ EXPORT_SYMBOL_GPL(codec_hevc_setup_buffers); void codec_hevc_fill_mmu_map(struct amvdec_session *sess, struct codec_hevc_common *comm, - struct vb2_buffer *vb) + struct vb2_buffer *vb, + u32 is_10bit) { - u32 size = amvdec_am21c_size(sess->width, sess->height); - u32 nb_pages = size / PAGE_SIZE; + u32 use_mmu; + u32 size; + u32 nb_pages; u32 *mmu_map = comm->mmu_map_vaddr; u32 first_page; u32 i; - if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) - first_page = comm->fbc_buffer_paddr[vb->index] >> PAGE_SHIFT; - else - first_page = vb2_dma_contig_plane_dma_addr(vb, 0) >> PAGE_SHIFT; + use_mmu = codec_hevc_use_mmu(sess->core->platform->revision, + sess->pixfmt_cap, is_10bit); + + size = amvdec_amfbc_size(sess->width, sess->height, is_10bit, + use_mmu); + nb_pages = size / PAGE_SIZE; + first_page = comm->fbc_buffer_paddr[vb->index] >> PAGE_SHIFT; for (i = 0; i < nb_pages; ++i) mmu_map[i] = first_page + i; } diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.h b/drivers/staging/media/meson/vdec/codec_hevc_common.h index cf072b8a9da2..13f9f1d90a94 100644 --- a/drivers/staging/media/meson/vdec/codec_hevc_common.h +++ b/drivers/staging/media/meson/vdec/codec_hevc_common.h @@ -64,6 +64,7 @@ int codec_hevc_setup_buffers(struct amvdec_session *sess, void codec_hevc_fill_mmu_map(struct amvdec_session *sess, struct codec_hevc_common *comm, - struct vb2_buffer *vb); + struct vb2_buffer *vb, + u32 is_10bit); #endif diff --git a/drivers/staging/media/meson/vdec/codec_vp9.c b/drivers/staging/media/meson/vdec/codec_vp9.c index 394df5761556..8e3bbf0db4b3 100644 --- a/drivers/staging/media/meson/vdec/codec_vp9.c +++ b/drivers/staging/media/meson/vdec/codec_vp9.c @@ -458,12 +458,6 @@ struct codec_vp9 { struct list_head ref_frames_list; u32 frames_num; - /* In case of downsampling (decoding with FBC but outputting in NV12M), - * we need to allocate additional buffers for FBC. - */ - void *fbc_buffer_vaddr[MAX_REF_PIC_NUM]; - dma_addr_t fbc_buffer_paddr[MAX_REF_PIC_NUM]; - int ref_frame_map[REF_FRAMES]; int next_ref_frame_map[REF_FRAMES]; struct vp9_frame *frame_refs[REFS_PER_FRAME]; @@ -901,11 +895,8 @@ static void codec_vp9_set_sao(struct amvdec_session *sess, buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0); - if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit)) { - val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0200; - amvdec_write_dos(core, HEVC_SAO_CTRL5, val); + if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit)) amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr); - } if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) { buf_y_paddr = @@ -920,8 +911,13 @@ static void codec_vp9_set_sao(struct amvdec_session *sess, if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, vp9->is_10bit)) { - amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, - vp9->common.mmu_header_paddr[vb->index]); + dma_addr_t header_adr; + + if (codec_hevc_use_downsample(sess->pixfmt_cap, vp9->is_10bit)) + header_adr = vp9->common.mmu_header_paddr[vb->index]; + else + header_adr = vb2_dma_contig_plane_dma_addr(vb, 0); + amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, header_adr); /* use HEVC_CM_HEADER_START_ADDR */ amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(10)); } @@ -1148,9 +1144,13 @@ static void codec_vp9_set_mc(struct amvdec_session *sess, { struct amvdec_core *core = sess->core; u32 scale = 0; + u32 use_mmu; u32 sz; int i; + use_mmu = codec_hevc_use_mmu(core->platform->revision, + sess->pixfmt_cap, vp9->is_10bit); + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1); codec_vp9_set_refs(sess, vp9); amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, @@ -1166,8 +1166,9 @@ static void codec_vp9_set_mc(struct amvdec_session *sess, vp9->frame_refs[i]->height != vp9->height) scale = 1; - sz = amvdec_am21c_body_size(vp9->frame_refs[i]->width, - vp9->frame_refs[i]->height); + sz = amvdec_amfbc_body_size(vp9->frame_refs[i]->width, + vp9->frame_refs[i]->height, + vp9->is_10bit, use_mmu); amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA, vp9->frame_refs[i]->width); @@ -1283,7 +1284,8 @@ static void codec_vp9_process_frame(struct amvdec_session *sess) if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, vp9->is_10bit)) codec_hevc_fill_mmu_map(sess, &vp9->common, - &vp9->cur_frame->vbuf->vb2_buf); + &vp9->cur_frame->vbuf->vb2_buf, + vp9->is_10bit); intra_only = param->p.show_frame ? 0 : param->p.intra_only; @@ -2130,7 +2132,8 @@ static irqreturn_t codec_vp9_threaded_isr(struct amvdec_session *sess) codec_vp9_fetch_rpm(sess); if (codec_vp9_process_rpm(vp9)) { - amvdec_src_change(sess, vp9->width, vp9->height, 16); + amvdec_src_change(sess, vp9->width, vp9->height, 16, + vp9->is_10bit ? 10 : 8); /* No frame is actually processed */ vp9->cur_frame = NULL; diff --git a/drivers/staging/media/meson/vdec/esparser.c b/drivers/staging/media/meson/vdec/esparser.c index 1904d58875ad..3cd29ab4f979 100644 --- a/drivers/staging/media/meson/vdec/esparser.c +++ b/drivers/staging/media/meson/vdec/esparser.c @@ -320,6 +320,7 @@ esparser_queue(struct amvdec_session *sess, struct vb2_v4l2_buffer *vbuf) if (esparser_vififo_get_free_space(sess) < payload_size || atomic_read(&sess->esparser_queued_bufs) >= num_dst_bufs) return -EAGAIN; + } else if (esparser_vififo_get_free_space(sess) < payload_size) { return -EAGAIN; } diff --git a/drivers/staging/media/meson/vdec/vdec.h b/drivers/staging/media/meson/vdec/vdec.h index 0906b8fb5cc6..a48170fe4cff 100644 --- a/drivers/staging/media/meson/vdec/vdec.h +++ b/drivers/staging/media/meson/vdec/vdec.h @@ -244,6 +244,7 @@ struct amvdec_session { u32 width; u32 height; u32 colorspace; + u32 bitdepth; u8 ycbcr_enc; u8 quantization; u8 xfer_func; diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c index 7d2a75653250..fef76142f0c5 100644 --- a/drivers/staging/media/meson/vdec/vdec_helpers.c +++ b/drivers/staging/media/meson/vdec/vdec_helpers.c @@ -50,32 +50,40 @@ void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val) } EXPORT_SYMBOL_GPL(amvdec_write_parser); -/* 4 KiB per 64x32 block */ -u32 amvdec_am21c_body_size(u32 width, u32 height) +/* AMFBC body is made out of 64x32 blocks with varying block size */ +u32 amvdec_amfbc_body_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu) { u32 width_64 = ALIGN(width, 64) / 64; u32 height_32 = ALIGN(height, 32) / 32; + u32 blk_size = 4096; - return SZ_4K * width_64 * height_32; + if (!is_10bit) { + if (use_mmu) + blk_size = 3200; + else + blk_size = 3072; + } + + return blk_size * width_64 * height_32; } -EXPORT_SYMBOL_GPL(amvdec_am21c_body_size); +EXPORT_SYMBOL_GPL(amvdec_amfbc_body_size); /* 32 bytes per 128x64 block */ -u32 amvdec_am21c_head_size(u32 width, u32 height) +u32 amvdec_amfbc_head_size(u32 width, u32 height) { u32 width_128 = ALIGN(width, 128) / 128; u32 height_64 = ALIGN(height, 64) / 64; return 32 * width_128 * height_64; } -EXPORT_SYMBOL_GPL(amvdec_am21c_head_size); +EXPORT_SYMBOL_GPL(amvdec_amfbc_head_size); -u32 amvdec_am21c_size(u32 width, u32 height) +u32 amvdec_amfbc_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu) { - return ALIGN(amvdec_am21c_body_size(width, height) + - amvdec_am21c_head_size(width, height), SZ_64K); + return ALIGN(amvdec_amfbc_body_size(width, height, is_10bit, use_mmu) + + amvdec_amfbc_head_size(width, height), SZ_64K); } -EXPORT_SYMBOL_GPL(amvdec_am21c_size); +EXPORT_SYMBOL_GPL(amvdec_amfbc_size); static int canvas_alloc(struct amvdec_session *sess, u8 *canvas_id) { @@ -440,7 +448,7 @@ void amvdec_set_par_from_dar(struct amvdec_session *sess, EXPORT_SYMBOL_GPL(amvdec_set_par_from_dar); void amvdec_src_change(struct amvdec_session *sess, u32 width, - u32 height, u32 dpb_size) + u32 height, u32 dpb_size, u32 bitdepth) { static const struct v4l2_event ev = { .type = V4L2_EVENT_SOURCE_CHANGE, @@ -448,25 +456,27 @@ void amvdec_src_change(struct amvdec_session *sess, u32 width, v4l2_ctrl_s_ctrl(sess->ctrl_min_buf_capture, dpb_size); + sess->bitdepth = bitdepth; + /* * Check if the capture queue is already configured well for our - * usecase. If so, keep decoding with it and do not send the event + * usecase. If so, keep decoding with it. */ if (sess->streamon_cap && sess->width == width && sess->height == height && dpb_size <= sess->num_dst_bufs) { sess->fmt_out->codec_ops->resume(sess); - return; + } else { + sess->status = STATUS_NEEDS_RESUME; + sess->changed_format = 0; } - sess->changed_format = 0; sess->width = width; sess->height = height; - sess->status = STATUS_NEEDS_RESUME; - dev_dbg(sess->core->dev, "Res. changed (%ux%u), DPB size %u\n", - width, height, dpb_size); + dev_dbg(sess->core->dev, "Res. changed (%ux%u), DPB %u, bitdepth %u\n", + width, height, dpb_size, bitdepth); v4l2_event_queue_fh(&sess->fh, &ev); } EXPORT_SYMBOL_GPL(amvdec_src_change); diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.h b/drivers/staging/media/meson/vdec/vdec_helpers.h index 4bf3e61d081b..1a711679d26a 100644 --- a/drivers/staging/media/meson/vdec/vdec_helpers.h +++ b/drivers/staging/media/meson/vdec/vdec_helpers.h @@ -27,9 +27,10 @@ void amvdec_clear_dos_bits(struct amvdec_core *core, u32 reg, u32 val); u32 amvdec_read_parser(struct amvdec_core *core, u32 reg); void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val); -u32 amvdec_am21c_body_size(u32 width, u32 height); -u32 amvdec_am21c_head_size(u32 width, u32 height); -u32 amvdec_am21c_size(u32 width, u32 height); +/* Helpers for the Amlogic compressed framebuffer format */ +u32 amvdec_amfbc_body_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu); +u32 amvdec_amfbc_head_size(u32 width, u32 height); +u32 amvdec_amfbc_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu); /** * amvdec_dst_buf_done_idx() - Signal that a buffer is done decoding @@ -77,9 +78,10 @@ void amvdec_set_par_from_dar(struct amvdec_session *sess, * @width: picture width detected by the hardware * @height: picture height detected by the hardware * @dpb_size: Decoded Picture Buffer size (= amount of buffers for decoding) + * @bitdepth: Bit depth (usually 10 or 8) of the coded content */ void amvdec_src_change(struct amvdec_session *sess, u32 width, - u32 height, u32 dpb_size); + u32 height, u32 dpb_size, u32 bitdepth); /** * amvdec_abort() - Abort the current decoding session From patchwork Tue Mar 14 11:43:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Hewitt X-Patchwork-Id: 13174119 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1F37C6FD1C for ; Tue, 14 Mar 2023 11:44:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231517AbjCNLoM (ORCPT ); Tue, 14 Mar 2023 07:44:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231482AbjCNLn5 (ORCPT ); Tue, 14 Mar 2023 07:43:57 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB14374A5F; 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([87.200.95.144]) by smtp.gmail.com with ESMTPSA id v7-20020a05600c470700b003ed2a458a7asm2710590wmo.44.2023.03.14.04.43.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Mar 2023 04:43:28 -0700 (PDT) From: Christian Hewitt To: Neil Armstrong , Mauro Carvalho Chehab , Greg Kroah-Hartman , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Christian Hewitt , Maxime Jourdan , Benjamin Roszak Subject: [PATCH v3 2/2] media: meson: vdec: add HEVC decode codec Date: Tue, 14 Mar 2023 11:43:18 +0000 Message-Id: <20230314114318.4057353-3-christianshewitt@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230314114318.4057353-1-christianshewitt@gmail.com> References: <20230314114318.4057353-1-christianshewitt@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Maxime Jourdan Add initial HEVC codec for the Amlogic GXBB/GXL/GXM SoCs using the common "HEVC" decoder driver. Signed-off-by: Maxime Jourdan [codec alignment to upstream changes and frame handling improvements] Signed-off-by: Benjamin Roszak --- drivers/staging/media/meson/vdec/Makefile | 2 +- drivers/staging/media/meson/vdec/codec_hevc.c | 1463 +++++++++++++++++ drivers/staging/media/meson/vdec/codec_hevc.h | 13 + drivers/staging/media/meson/vdec/esparser.c | 3 +- drivers/staging/media/meson/vdec/hevc_regs.h | 1 + .../staging/media/meson/vdec/vdec_platform.c | 37 + 6 files changed, 1517 insertions(+), 2 deletions(-) create mode 100644 drivers/staging/media/meson/vdec/codec_hevc.c create mode 100644 drivers/staging/media/meson/vdec/codec_hevc.h diff --git a/drivers/staging/media/meson/vdec/Makefile b/drivers/staging/media/meson/vdec/Makefile index 6e726af84ac9..16f848e456b9 100644 --- a/drivers/staging/media/meson/vdec/Makefile +++ b/drivers/staging/media/meson/vdec/Makefile @@ -3,6 +3,6 @@ meson-vdec-objs = esparser.o vdec.o vdec_helpers.o vdec_platform.o meson-vdec-objs += vdec_1.o vdec_hevc.o -meson-vdec-objs += codec_mpeg12.o codec_h264.o codec_hevc_common.o codec_vp9.o +meson-vdec-objs += codec_mpeg12.o codec_h264.o codec_hevc_common.o codec_vp9.o codec_hevc.o obj-$(CONFIG_VIDEO_MESON_VDEC) += meson-vdec.o diff --git a/drivers/staging/media/meson/vdec/codec_hevc.c b/drivers/staging/media/meson/vdec/codec_hevc.c new file mode 100644 index 000000000000..b0d8623c3c7d --- /dev/null +++ b/drivers/staging/media/meson/vdec/codec_hevc.c @@ -0,0 +1,1463 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Maxime Jourdan + * Copyright (C) 2015 Amlogic, Inc. All rights reserved. + */ + +#include +#include + +#include "codec_hevc.h" +#include "dos_regs.h" +#include "hevc_regs.h" +#include "vdec_helpers.h" +#include "codec_hevc_common.h" + +/* HEVC reg mapping */ +#define HEVC_DEC_STATUS_REG HEVC_ASSIST_SCRATCH_0 + #define HEVC_ACTION_DONE 0xff +#define HEVC_RPM_BUFFER HEVC_ASSIST_SCRATCH_1 +#define HEVC_SHORT_TERM_RPS HEVC_ASSIST_SCRATCH_2 +#define HEVC_VPS_BUFFER HEVC_ASSIST_SCRATCH_3 +#define HEVC_SPS_BUFFER HEVC_ASSIST_SCRATCH_4 +#define HEVC_PPS_BUFFER HEVC_ASSIST_SCRATCH_5 +#define HEVC_SAO_UP HEVC_ASSIST_SCRATCH_6 +#define HEVC_STREAM_SWAP_BUFFER HEVC_ASSIST_SCRATCH_7 +#define H265_MMU_MAP_BUFFER HEVC_ASSIST_SCRATCH_7 +#define HEVC_STREAM_SWAP_BUFFER2 HEVC_ASSIST_SCRATCH_8 +#define HEVC_sao_mem_unit HEVC_ASSIST_SCRATCH_9 +#define HEVC_SAO_ABV HEVC_ASSIST_SCRATCH_A +#define HEVC_sao_vb_size HEVC_ASSIST_SCRATCH_B +#define HEVC_SAO_VB HEVC_ASSIST_SCRATCH_C +#define HEVC_SCALELUT HEVC_ASSIST_SCRATCH_D +#define HEVC_WAIT_FLAG HEVC_ASSIST_SCRATCH_E +#define RPM_CMD_REG HEVC_ASSIST_SCRATCH_F +#define LMEM_DUMP_ADR HEVC_ASSIST_SCRATCH_F +#define DEBUG_REG1 HEVC_ASSIST_SCRATCH_G +#define HEVC_DECODE_MODE2 HEVC_ASSIST_SCRATCH_H +#define NAL_SEARCH_CTL HEVC_ASSIST_SCRATCH_I +#define HEVC_DECODE_MODE HEVC_ASSIST_SCRATCH_J + #define DECODE_MODE_SINGLE 0 +#define DECODE_STOP_POS HEVC_ASSIST_SCRATCH_K +#define HEVC_AUX_ADR HEVC_ASSIST_SCRATCH_L +#define HEVC_AUX_DATA_SIZE HEVC_ASSIST_SCRATCH_M +#define HEVC_DECODE_SIZE HEVC_ASSIST_SCRATCH_N + +#define AMRISC_MAIN_REQ 0x04 + +/* HEVC Constants */ +#define MAX_REF_PIC_NUM 24 +#define MAX_REF_ACTIVE 16 +#define MAX_TILE_COL_NUM 10 +#define MAX_TILE_ROW_NUM 20 +#define MAX_SLICE_NUM 800 +#define INVALID_POC 0x80000000 + +/* HEVC Workspace layout */ +#define MPRED_MV_BUF_SIZE 0x120000 + +#define IPP_SIZE 0x4000 +#define SAO_ABV_SIZE 0x30000 +#define SAO_VB_SIZE 0x30000 +#define SH_TM_RPS_SIZE 0x800 +#define VPS_SIZE 0x800 +#define SPS_SIZE 0x800 +#define PPS_SIZE 0x2000 +#define SAO_UP_SIZE 0x2800 +#define SWAP_BUF_SIZE 0x800 +#define SWAP_BUF2_SIZE 0x800 +#define SCALELUT_SIZE 0x8000 +#define DBLK_PARA_SIZE 0x20000 +#define DBLK_DATA_SIZE 0x80000 +#define DBLK_DATA2_SIZE 0x80000 +#define MMU_VBH_SIZE 0x5000 +#define MPRED_ABV_SIZE 0x8000 +#define MPRED_MV_SIZE (MPRED_MV_BUF_SIZE * MAX_REF_PIC_NUM) +#define RPM_BUF_SIZE 0x100 +#define LMEM_SIZE 0xA00 + +#define IPP_OFFSET 0x00 +#define SAO_ABV_OFFSET (IPP_OFFSET + IPP_SIZE) +#define SAO_VB_OFFSET (SAO_ABV_OFFSET + SAO_ABV_SIZE) +#define SH_TM_RPS_OFFSET (SAO_VB_OFFSET + SAO_VB_SIZE) +#define VPS_OFFSET (SH_TM_RPS_OFFSET + SH_TM_RPS_SIZE) +#define SPS_OFFSET (VPS_OFFSET + VPS_SIZE) +#define PPS_OFFSET (SPS_OFFSET + SPS_SIZE) +#define SAO_UP_OFFSET (PPS_OFFSET + PPS_SIZE) +#define SWAP_BUF_OFFSET (SAO_UP_OFFSET + SAO_UP_SIZE) +#define SWAP_BUF2_OFFSET (SWAP_BUF_OFFSET + SWAP_BUF_SIZE) +#define SCALELUT_OFFSET (SWAP_BUF2_OFFSET + SWAP_BUF2_SIZE) +#define DBLK_PARA_OFFSET (SCALELUT_OFFSET + SCALELUT_SIZE) +#define DBLK_DATA_OFFSET (DBLK_PARA_OFFSET + DBLK_PARA_SIZE) +#define DBLK_DATA2_OFFSET (DBLK_DATA_OFFSET + DBLK_DATA_SIZE) +#define MMU_VBH_OFFSET (DBLK_DATA2_OFFSET + DBLK_DATA2_SIZE) +#define MPRED_ABV_OFFSET (MMU_VBH_OFFSET + MMU_VBH_SIZE) +#define MPRED_MV_OFFSET (MPRED_ABV_OFFSET + MPRED_ABV_SIZE) +#define RPM_OFFSET (MPRED_MV_OFFSET + MPRED_MV_SIZE) +#define LMEM_OFFSET (RPM_OFFSET + RPM_BUF_SIZE) + +/* ISR decode status */ +#define HEVC_DEC_IDLE 0x0 +#define HEVC_NAL_UNIT_VPS 0x1 +#define HEVC_NAL_UNIT_SPS 0x2 +#define HEVC_NAL_UNIT_PPS 0x3 +#define HEVC_NAL_UNIT_CODED_SLICE_SEGMENT 0x4 +#define HEVC_CODED_SLICE_SEGMENT_DAT 0x5 +#define HEVC_SLICE_DECODING 0x6 +#define HEVC_NAL_UNIT_SEI 0x7 +#define HEVC_SLICE_SEGMENT_DONE 0x8 +#define HEVC_NAL_SEARCH_DONE 0x9 +#define HEVC_DECPIC_DATA_DONE 0xa +#define HEVC_DECPIC_DATA_ERROR 0xb +#define HEVC_SEI_DAT 0xc +#define HEVC_SEI_DAT_DONE 0xd + +/* RPM misc_flag0 */ +#define PCM_LOOP_FILTER_DISABLED_FLAG_BIT 0 +#define PCM_ENABLE_FLAG_BIT 1 +#define LOOP_FILER_ACROSS_TILES_ENABLED_FLAG_BIT 2 +#define PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT 3 +#define DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_BIT 4 +#define PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT 5 +#define DEBLOCKING_FILTER_OVERRIDE_FLAG_BIT 6 +#define SLICE_DEBLOCKING_FILTER_DISABLED_FLAG_BIT 7 +#define SLICE_SAO_LUMA_FLAG_BIT 8 +#define SLICE_SAO_CHROMA_FLAG_BIT 9 +#define SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT 10 + +/* Constants for HEVC_MPRED_CTRL1 */ +#define AMVP_MAX_NUM_CANDS_MEM 3 +#define AMVP_MAX_NUM_CANDS 2 +#define NUM_CHROMA_MODE 5 +#define DM_CHROMA_IDX 36 + +/* Buffer sizes */ +#define SIZE_WORKSPACE ALIGN(LMEM_OFFSET + LMEM_SIZE, 64 * SZ_1K) +#define SIZE_AUX (SZ_1K * 16) +#define SIZE_FRAME_MMU (0x1200 * 4) +#define RPM_SIZE 0x80 +#define RPS_USED_BIT 14 + +/* Data received from the HW in this form, do not rearrange */ +union rpm_param { + struct { + u16 data[RPM_SIZE]; + } l; + struct { + u16 CUR_RPS[MAX_REF_ACTIVE]; + u16 num_ref_idx_l0_active; + u16 num_ref_idx_l1_active; + u16 slice_type; + u16 slice_temporal_mvp_enable_flag; + u16 dependent_slice_segment_flag; + u16 slice_segment_address; + u16 num_title_rows_minus1; + u16 pic_width_in_luma_samples; + u16 pic_height_in_luma_samples; + u16 log2_min_coding_block_size_minus3; + u16 log2_diff_max_min_coding_block_size; + u16 log2_max_pic_order_cnt_lsb_minus4; + u16 POClsb; + u16 collocated_from_l0_flag; + u16 collocated_ref_idx; + u16 log2_parallel_merge_level; + u16 five_minus_max_num_merge_cand; + u16 sps_num_reorder_pics_0; + u16 modification_flag; + u16 tiles_flags; + u16 num_tile_columns_minus1; + u16 num_tile_rows_minus1; + u16 tile_width[8]; + u16 tile_height[8]; + u16 misc_flag0; + u16 pps_beta_offset_div2; + u16 pps_tc_offset_div2; + u16 slice_beta_offset_div2; + u16 slice_tc_offset_div2; + u16 pps_cb_qp_offset; + u16 pps_cr_qp_offset; + u16 first_slice_segment_in_pic_flag; + u16 m_temporalId; + u16 m_nalUnitType; + u16 vui_num_units_in_tick_hi; + u16 vui_num_units_in_tick_lo; + u16 vui_time_scale_hi; + u16 vui_time_scale_lo; + u16 bit_depth; + u16 profile_etc; + u16 sei_frame_field_info; + u16 video_signal_type; + u16 modification_list[0x20]; + u16 conformance_window_flag; + u16 conf_win_left_offset; + u16 conf_win_right_offset; + u16 conf_win_top_offset; + u16 conf_win_bottom_offset; + u16 chroma_format_idc; + u16 color_description; + u16 aspect_ratio_idc; + u16 sar_width; + u16 sar_height; + } p; +}; + +enum nal_unit_type { + NAL_UNIT_CODED_SLICE_BLA = 16, + NAL_UNIT_CODED_SLICE_BLANT = 17, + NAL_UNIT_CODED_SLICE_BLA_N_LP = 18, + NAL_UNIT_CODED_SLICE_IDR = 19, + NAL_UNIT_CODED_SLICE_IDR_N_LP = 20, +}; + +enum slice_type { + B_SLICE = 0, + P_SLICE = 1, + I_SLICE = 2, +}; + +/* A frame being decoded */ +struct hevc_frame { + struct list_head list; + struct vb2_v4l2_buffer *vbuf; + u32 offset; + u32 poc; + + int referenced; + int show; + u32 num_reorder_pic; + + u32 cur_slice_idx; + u32 cur_slice_type; + + /* 2 lists (L0/L1) ; 800 slices ; 16 refs */ + u32 ref_poc_list[2][MAX_SLICE_NUM][MAX_REF_ACTIVE]; + u32 ref_num[2]; +}; + +struct codec_hevc { + /* Protect the data structure */ + struct mutex lock; + + /* Common part of the HEVC decoder */ + struct codec_hevc_common common; + + /* Buffer for the HEVC Workspace */ + void *workspace_vaddr; + dma_addr_t workspace_paddr; + + /* AUX buffer */ + void *aux_vaddr; + dma_addr_t aux_paddr; + + /* Contains many information parsed from the bitstream */ + union rpm_param rpm_param; + + /* Information computed from the RPM */ + u32 lcu_size; // Largest Coding Unit + u32 lcu_x_num; + u32 lcu_y_num; + u32 lcu_total; + + /* Current Frame being handled */ + struct hevc_frame *cur_frame; + u32 curr_poc; + /* Collocated Reference Picture */ + struct hevc_frame *col_frame; + u32 col_poc; + + /* All ref frames used by the HW at a given time */ + struct list_head ref_frames_list; + u32 frames_num; + + /* Coded resolution reported by the hardware */ + u32 width, height; + /* Resolution minus the conformance window offsets */ + u32 dst_width, dst_height; + + u32 prev_tid0_poc; + u32 slice_segment_addr; + u32 slice_addr; + u32 ldc_flag; + + /* Whether we detected the bitstream as 10-bit */ + int is_10bit; +}; + +static u32 codec_hevc_num_pending_bufs(struct amvdec_session *sess) +{ + struct codec_hevc *hevc; + u32 ret; + + hevc = sess->priv; + if (!hevc) + return 0; + + mutex_lock(&hevc->lock); + ret = hevc->frames_num; + mutex_unlock(&hevc->lock); + + return ret; +} + +/* Update the L0 and L1 reference lists for a given frame */ +static void codec_hevc_update_frame_refs(struct amvdec_session *sess, + struct hevc_frame *frame) +{ + struct codec_hevc *hevc = sess->priv; + union rpm_param *params = &hevc->rpm_param; + int num_ref_idx_l0_active = + (params->p.num_ref_idx_l0_active > MAX_REF_ACTIVE) ? + MAX_REF_ACTIVE : params->p.num_ref_idx_l0_active; + int num_ref_idx_l1_active = + (params->p.num_ref_idx_l1_active > MAX_REF_ACTIVE) ? + MAX_REF_ACTIVE : params->p.num_ref_idx_l1_active; + int ref_picset0[MAX_REF_ACTIVE] = { 0 }; + int ref_picset1[MAX_REF_ACTIVE] = { 0 }; + u16 *mod_list = params->p.modification_list; + int num_neg = 0; + int num_pos = 0; + int total_num; + int i; + + for (i = 0; i < MAX_REF_ACTIVE; i++) { + frame->ref_poc_list[0][frame->cur_slice_idx][i] = 0; + frame->ref_poc_list[1][frame->cur_slice_idx][i] = 0; + } + + for (i = 0; i < MAX_REF_ACTIVE; i++) { + u16 cur_rps = params->p.CUR_RPS[i]; + int delt = cur_rps & ((1 << (RPS_USED_BIT - 1)) - 1); + + if (cur_rps & 0x8000) + break; + + if (!((cur_rps >> RPS_USED_BIT) & 1)) + continue; + + if ((cur_rps >> (RPS_USED_BIT - 1)) & 1) { + ref_picset0[num_neg] = + frame->poc - ((1 << (RPS_USED_BIT - 1)) - delt); + num_neg++; + } else { + ref_picset1[num_pos] = frame->poc + delt; + num_pos++; + } + } + + total_num = num_neg + num_pos; + + if (total_num <= 0) + goto end; + + for (i = 0; i < num_ref_idx_l0_active; i++) { + int cidx; + + if (params->p.modification_flag & 0x1) + cidx = mod_list[i]; + else + cidx = i % total_num; + + frame->ref_poc_list[0][frame->cur_slice_idx][i] = + cidx >= num_neg ? ref_picset1[cidx - num_neg] : + ref_picset0[cidx]; + } + + if (params->p.slice_type != B_SLICE) + goto end; + + if (params->p.modification_flag & 0x2) { + for (i = 0; i < num_ref_idx_l1_active; i++) { + int cidx; + + if (params->p.modification_flag & 0x1) + cidx = mod_list[num_ref_idx_l0_active + i]; + else + cidx = mod_list[i]; + + frame->ref_poc_list[1][frame->cur_slice_idx][i] = + (cidx >= num_pos) ? ref_picset0[cidx - num_pos] + : ref_picset1[cidx]; + } + } else { + for (i = 0; i < num_ref_idx_l1_active; i++) { + int cidx = i % total_num; + + frame->ref_poc_list[1][frame->cur_slice_idx][i] = + cidx >= num_pos ? ref_picset0[cidx - num_pos] : + ref_picset1[cidx]; + } + } + +end: + frame->ref_num[0] = num_ref_idx_l0_active; + frame->ref_num[1] = num_ref_idx_l1_active; + + dev_dbg(sess->core->dev, + "Frame %u; slice %u; slice_type %u; num_l0 %u; num_l1 %u\n", + frame->poc, frame->cur_slice_idx, params->p.slice_type, + frame->ref_num[0], frame->ref_num[1]); +} + +static void codec_hevc_update_ldc_flag(struct codec_hevc *hevc) +{ + struct hevc_frame *frame = hevc->cur_frame; + u32 slice_type = frame->cur_slice_type; + u32 slice_idx = frame->cur_slice_idx; + int i; + + hevc->ldc_flag = 0; + + if (slice_type == I_SLICE) + return; + + hevc->ldc_flag = 1; + for (i = 0; (i < frame->ref_num[0]) && hevc->ldc_flag; i++) { + if (frame->ref_poc_list[0][slice_idx][i] > frame->poc) { + hevc->ldc_flag = 0; + break; + } + } + + if (slice_type == P_SLICE) + return; + + for (i = 0; (i < frame->ref_num[1]) && hevc->ldc_flag; i++) { + if (frame->ref_poc_list[1][slice_idx][i] > frame->poc) { + hevc->ldc_flag = 0; + break; + } + } +} + +/* Tag "old" frames that are no longer referenced */ +static void codec_hevc_update_referenced(struct codec_hevc *hevc) +{ + union rpm_param *param = &hevc->rpm_param; + struct hevc_frame *frame; + int i; + u32 curr_poc = hevc->curr_poc; + + list_for_each_entry(frame, &hevc->ref_frames_list, list) { + int is_referenced = 0; + u32 poc_tmp; + + if (!frame->referenced) + continue; + + for (i = 0; i < MAX_REF_ACTIVE; i++) { + int delt; + + if (param->p.CUR_RPS[i] & 0x8000) + break; + + delt = param->p.CUR_RPS[i] & + ((1 << (RPS_USED_BIT - 1)) - 1); + if (param->p.CUR_RPS[i] & (1 << (RPS_USED_BIT - 1))) { + poc_tmp = curr_poc - + ((1 << (RPS_USED_BIT - 1)) - delt); + } else { + poc_tmp = curr_poc + delt; + } + + if (poc_tmp == frame->poc) { + is_referenced = 1; + break; + } + } + + frame->referenced = is_referenced; + } +} + +static struct hevc_frame * +codec_hevc_get_next_ready_frame(struct codec_hevc *hevc) +{ + struct hevc_frame *tmp, *ret = NULL; + u32 poc = INT_MAX; + + list_for_each_entry(tmp, &hevc->ref_frames_list, list) { + if ((tmp->poc < poc) && tmp->show) { + ret = tmp; + poc = tmp->poc; + } + } + + return ret; +} + +/* Try to output as many frames as possible */ +static void codec_hevc_show_frames(struct amvdec_session *sess) +{ + struct hevc_frame *tmp, *n; + struct codec_hevc *hevc = sess->priv; + + while ((tmp = codec_hevc_get_next_ready_frame(hevc))) { + if (hevc->curr_poc && + (hevc->frames_num <= tmp->num_reorder_pic)) + break; + + dev_dbg(sess->core->dev, "DONE frame poc %u; vbuf %u\n", + tmp->poc, tmp->vbuf->vb2_buf.index); + amvdec_dst_buf_done_offset(sess, tmp->vbuf, tmp->offset, + V4L2_FIELD_NONE, false); + + tmp->show = 0; + hevc->frames_num--; + } + + /* clean output frame buffer */ + list_for_each_entry_safe(tmp, n, &hevc->ref_frames_list, list) { + if (tmp->referenced || tmp->show) + continue; + + list_del(&tmp->list); + kfree(tmp); + } +} + +static int +codec_hevc_setup_workspace(struct amvdec_session *sess, + struct codec_hevc *hevc) +{ + struct amvdec_core *core = sess->core; + u32 revision = core->platform->revision; + dma_addr_t wkaddr; + + /* Allocate some memory for the HEVC decoder's state */ + hevc->workspace_vaddr = dma_alloc_coherent(core->dev, SIZE_WORKSPACE, + &wkaddr, GFP_KERNEL); + if (!hevc->workspace_vaddr) + return -ENOMEM; + + hevc->workspace_paddr = wkaddr; + + amvdec_write_dos(core, HEVCD_IPP_LINEBUFF_BASE, wkaddr + IPP_OFFSET); + amvdec_write_dos(core, HEVC_RPM_BUFFER, wkaddr + RPM_OFFSET); + amvdec_write_dos(core, HEVC_SHORT_TERM_RPS, wkaddr + SH_TM_RPS_OFFSET); + amvdec_write_dos(core, HEVC_VPS_BUFFER, wkaddr + VPS_OFFSET); + amvdec_write_dos(core, HEVC_SPS_BUFFER, wkaddr + SPS_OFFSET); + amvdec_write_dos(core, HEVC_PPS_BUFFER, wkaddr + PPS_OFFSET); + amvdec_write_dos(core, HEVC_SAO_UP, wkaddr + SAO_UP_OFFSET); + + if (codec_hevc_use_mmu(revision, sess->pixfmt_cap, hevc->is_10bit)) { + amvdec_write_dos(core, HEVC_SAO_MMU_VH0_ADDR, + wkaddr + MMU_VBH_OFFSET); + amvdec_write_dos(core, HEVC_SAO_MMU_VH1_ADDR, + wkaddr + MMU_VBH_OFFSET + (MMU_VBH_SIZE / 2)); + + if (revision >= VDEC_REVISION_G12A) + amvdec_write_dos(core, HEVC_ASSIST_MMU_MAP_ADDR, + hevc->common.mmu_map_paddr); + else + amvdec_write_dos(core, H265_MMU_MAP_BUFFER, + hevc->common.mmu_map_paddr); + } else if (revision < VDEC_REVISION_G12A) { + amvdec_write_dos(core, HEVC_STREAM_SWAP_BUFFER, + wkaddr + SWAP_BUF_OFFSET); + amvdec_write_dos(core, HEVC_STREAM_SWAP_BUFFER2, + wkaddr + SWAP_BUF2_OFFSET); + } + + amvdec_write_dos(core, HEVC_SCALELUT, wkaddr + SCALELUT_OFFSET); + amvdec_write_dos(core, HEVC_DBLK_CFG4, wkaddr + DBLK_PARA_OFFSET); + amvdec_write_dos(core, HEVC_DBLK_CFG5, wkaddr + DBLK_DATA_OFFSET); + if (revision >= VDEC_REVISION_G12A) + amvdec_write_dos(core, HEVC_DBLK_CFGE, + wkaddr + DBLK_DATA2_OFFSET); + + amvdec_write_dos(core, LMEM_DUMP_ADR, wkaddr + LMEM_OFFSET); + + return 0; +} + +static int codec_hevc_start(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc; + u32 val; + int i; + int ret; + + hevc = kzalloc(sizeof(*hevc), GFP_KERNEL); + if (!hevc) + return -ENOMEM; + + INIT_LIST_HEAD(&hevc->ref_frames_list); + hevc->curr_poc = INVALID_POC; + + ret = codec_hevc_setup_workspace(sess, hevc); + if (ret) + goto free_hevc; + + val = BIT(0); /* stream_fetch_enable */ + if (core->platform->revision >= VDEC_REVISION_G12A) + val |= (0xf << 25); /* arwlen_axi_max */ + amvdec_write_dos_bits(core, HEVC_STREAM_CONTROL, val); + + val = amvdec_read_dos(core, HEVC_PARSER_INT_CONTROL) & 0x03ffffff; + val |= (3 << 29) | BIT(27) | BIT(24) | BIT(22) | BIT(7) | BIT(4) | + BIT(0); + amvdec_write_dos(core, HEVC_PARSER_INT_CONTROL, val); + amvdec_write_dos_bits(core, HEVC_SHIFT_STATUS, BIT(1) | BIT(0)); + amvdec_write_dos(core, HEVC_SHIFT_CONTROL, + (3 << 6) | BIT(5) | BIT(2) | BIT(0)); + amvdec_write_dos(core, HEVC_CABAC_CONTROL, 1); + amvdec_write_dos(core, HEVC_PARSER_CORE_CONTROL, 1); + amvdec_write_dos(core, HEVC_DEC_STATUS_REG, 0); + + amvdec_write_dos(core, HEVC_IQIT_SCALELUT_WR_ADDR, 0); + for (i = 0; i < 1024; ++i) + amvdec_write_dos(core, HEVC_IQIT_SCALELUT_DATA, 0); + + amvdec_write_dos(core, HEVC_DECODE_SIZE, 0); + + amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE, BIT(16)); + for (i = 0; i < ARRAY_SIZE(vdec_hevc_parser_cmd); ++i) + amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE, + vdec_hevc_parser_cmd[i]); + + amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_0, PARSER_CMD_SKIP_CFG_0); + amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_1, PARSER_CMD_SKIP_CFG_1); + amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_2, PARSER_CMD_SKIP_CFG_2); + amvdec_write_dos(core, HEVC_PARSER_IF_CONTROL, + BIT(5) | BIT(2) | BIT(0)); + + amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(0)); + amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(1)); + + amvdec_write_dos(core, HEVC_WAIT_FLAG, 1); + + /* clear mailbox interrupt */ + amvdec_write_dos(core, HEVC_ASSIST_MBOX1_CLR_REG, 1); + /* enable mailbox interrupt */ + amvdec_write_dos(core, HEVC_ASSIST_MBOX1_MASK, 1); + /* disable PSCALE for hardware sharing */ + amvdec_write_dos(core, HEVC_PSCALE_CTRL, 0); + /* Let the uCode do all the parsing */ + amvdec_write_dos(core, NAL_SEARCH_CTL, 0xc); + + amvdec_write_dos(core, DECODE_STOP_POS, 0); + amvdec_write_dos(core, HEVC_DECODE_MODE, DECODE_MODE_SINGLE); + amvdec_write_dos(core, HEVC_DECODE_MODE2, 0); + + /* AUX buffers */ + hevc->aux_vaddr = dma_alloc_coherent(core->dev, SIZE_AUX, + &hevc->aux_paddr, GFP_KERNEL); + if (!hevc->aux_vaddr) { + ret = -ENOMEM; + goto free_hevc; + } + + amvdec_write_dos(core, HEVC_AUX_ADR, hevc->aux_paddr); + amvdec_write_dos(core, HEVC_AUX_DATA_SIZE, + (((SIZE_AUX) >> 4) << 16) | 0); + mutex_init(&hevc->lock); + sess->priv = hevc; + + return 0; + +free_hevc: + kfree(hevc); + return ret; +} + +static void codec_hevc_flush_output(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + struct hevc_frame *tmp, *n; + + while ((tmp = codec_hevc_get_next_ready_frame(hevc))) { + amvdec_dst_buf_done(sess, tmp->vbuf, V4L2_FIELD_NONE); + tmp->show = 0; + hevc->frames_num--; + } + + list_for_each_entry_safe(tmp, n, &hevc->ref_frames_list, list) { + list_del(&tmp->list); + kfree(tmp); + } +} + +static int codec_hevc_stop(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + struct amvdec_core *core = sess->core; + + mutex_lock(&hevc->lock); + codec_hevc_flush_output(sess); + + if (hevc->workspace_vaddr) + dma_free_coherent(core->dev, SIZE_WORKSPACE, + hevc->workspace_vaddr, + hevc->workspace_paddr); + + if (hevc->aux_vaddr) + dma_free_coherent(core->dev, SIZE_AUX, + hevc->aux_vaddr, hevc->aux_paddr); + + codec_hevc_free_fbc_buffers(sess, &hevc->common); + mutex_unlock(&hevc->lock); + mutex_destroy(&hevc->lock); + + return 0; +} + +static struct hevc_frame * +codec_hevc_get_frame_by_poc(struct codec_hevc *hevc, u32 poc) +{ + struct hevc_frame *tmp; + + list_for_each_entry(tmp, &hevc->ref_frames_list, list) { + if (tmp->poc == poc) + return tmp; + } + + return NULL; +} + +static struct hevc_frame * +codec_hevc_prepare_new_frame(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct hevc_frame *new_frame = NULL; + struct codec_hevc *hevc = sess->priv; + struct vb2_v4l2_buffer *vbuf; + union rpm_param *params = &hevc->rpm_param; + + new_frame = kzalloc(sizeof(*new_frame), GFP_KERNEL); + if (!new_frame) + return NULL; + + vbuf = v4l2_m2m_dst_buf_remove(sess->m2m_ctx); + if (!vbuf) { + dev_err(sess->core->dev, "No dst buffer available\n"); + kfree(new_frame); + return NULL; + } + + new_frame->vbuf = vbuf; + new_frame->referenced = 1; + new_frame->show = 1; + new_frame->poc = hevc->curr_poc; + new_frame->cur_slice_type = params->p.slice_type; + new_frame->num_reorder_pic = params->p.sps_num_reorder_pics_0; + new_frame->offset = amvdec_read_dos(core, HEVC_SHIFT_BYTE_COUNT); + + list_add_tail(&new_frame->list, &hevc->ref_frames_list); + hevc->frames_num++; + + return new_frame; +} + +static void +codec_hevc_set_sao(struct amvdec_session *sess, struct hevc_frame *frame) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + struct vb2_buffer *vb = &frame->vbuf->vb2_buf; + union rpm_param *param = &hevc->rpm_param; + u32 pic_height_cu = + (hevc->height + hevc->lcu_size - 1) / hevc->lcu_size; + u32 sao_mem_unit = (hevc->lcu_size == 16 ? 9 : + hevc->lcu_size == 32 ? 14 : 24) << 4; + u32 sao_vb_size = (sao_mem_unit + (2 << 4)) * pic_height_cu; + u32 misc_flag0 = param->p.misc_flag0; + dma_addr_t buf_y_paddr; + dma_addr_t buf_u_v_paddr; + u32 slice_deblocking_filter_disabled_flag; + u32 val, val_2; + + val = (amvdec_read_dos(core, HEVC_SAO_CTRL0) & ~0xf) | + ilog2(hevc->lcu_size); + amvdec_write_dos(core, HEVC_SAO_CTRL0, val); + + amvdec_write_dos(core, HEVC_SAO_PIC_SIZE, + hevc->width | (hevc->height << 16)); + amvdec_write_dos(core, HEVC_SAO_PIC_SIZE_LCU, + (hevc->lcu_x_num - 1) | (hevc->lcu_y_num - 1) << 16); + + if (codec_hevc_use_downsample(sess->pixfmt_cap, hevc->is_10bit) || + codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, + hevc->is_10bit)) + buf_y_paddr = + hevc->common.fbc_buffer_paddr[vb->index]; + else + buf_y_paddr = + vb2_dma_contig_plane_dma_addr(vb, 0); + + if (codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0000; + amvdec_write_dos(core, HEVC_SAO_CTRL5, val); + amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr); + } + + if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) { + buf_y_paddr = + vb2_dma_contig_plane_dma_addr(vb, 0); + buf_u_v_paddr = + vb2_dma_contig_plane_dma_addr(vb, 1); + amvdec_write_dos(core, HEVC_SAO_Y_START_ADDR, buf_y_paddr); + amvdec_write_dos(core, HEVC_SAO_C_START_ADDR, buf_u_v_paddr); + amvdec_write_dos(core, HEVC_SAO_Y_WPTR, buf_y_paddr); + amvdec_write_dos(core, HEVC_SAO_C_WPTR, buf_u_v_paddr); + } + + if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, + hevc->is_10bit)) { + dma_addr_t header_adr = vb2_dma_contig_plane_dma_addr(vb, 0); + + if (codec_hevc_use_downsample(sess->pixfmt_cap, hevc->is_10bit)) + header_adr = hevc->common.mmu_header_paddr[vb->index]; + amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, header_adr); + /* use HEVC_CM_HEADER_START_ADDR */ + amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(10)); + amvdec_write_dos_bits(core, HEVC_SAO_CTRL9, BIT(0)); + } + + amvdec_write_dos(core, HEVC_SAO_Y_LENGTH, + amvdec_get_output_size(sess)); + amvdec_write_dos(core, HEVC_SAO_C_LENGTH, + (amvdec_get_output_size(sess) / 2)); + + if (frame->cur_slice_idx == 0) { + if (core->platform->revision >= VDEC_REVISION_G12A) { + if (core->platform->revision >= VDEC_REVISION_SM1) + val = 0xfc << 8; + else + val = 0x54 << 8; + + /* enable first, compressed write */ + if (codec_hevc_use_fbc(sess->pixfmt_cap, + hevc->is_10bit)) + val |= BIT(8); + + /* enable second, uncompressed write */ + if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) + val |= BIT(9); + + /* dblk pipeline mode=1 for performance */ + if (hevc->width >= 1280) + val |= BIT(4); + + amvdec_write_dos(core, HEVC_DBLK_CFGB, val); + amvdec_write_dos(core, HEVC_DBLK_STS1 + 16, BIT(28)); + } + + amvdec_write_dos(core, HEVC_DBLK_CFG2, + hevc->width | (hevc->height << 16)); + + val = 0; + if ((misc_flag0 >> PCM_ENABLE_FLAG_BIT) & 0x1) + val |= ((misc_flag0 >> + PCM_LOOP_FILTER_DISABLED_FLAG_BIT) & 0x1) << 3; + + val |= (param->p.pps_cb_qp_offset & 0x1f) << 4; + val |= (param->p.pps_cr_qp_offset & 0x1f) << 9; + val |= (hevc->lcu_size == 64) ? 0 : + ((hevc->lcu_size == 32) ? 1 : 2); + amvdec_write_dos(core, HEVC_DBLK_CFG1, val); + } + + val = amvdec_read_dos(core, HEVC_SAO_CTRL1) & ~0x3ff3; + val |= 0xff0; /* Set endianness for 2-bytes swaps (nv12) */ + if (core->platform->revision < VDEC_REVISION_G12A) { + if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) + val |= BIT(0); /* disable cm compression */ + /* TOFIX: Handle Amlogic Framebuffer compression */ + } + + amvdec_write_dos(core, HEVC_SAO_CTRL1, val); + + if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + /* no downscale for NV12 */ + val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0000; + amvdec_write_dos(core, HEVC_SAO_CTRL5, val); + } + + val = amvdec_read_dos(core, HEVCD_IPP_AXIIF_CONFIG) & ~0x30; + val |= 0xf; + amvdec_write_dos(core, HEVCD_IPP_AXIIF_CONFIG, val); + + val = 0; + val_2 = amvdec_read_dos(core, HEVC_SAO_CTRL0); + val_2 &= (~0x300); + + slice_deblocking_filter_disabled_flag = (misc_flag0 >> + SLICE_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & 0x1; + if ((misc_flag0 & (1 << DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_BIT)) && + (misc_flag0 & (1 << DEBLOCKING_FILTER_OVERRIDE_FLAG_BIT))) { + val |= slice_deblocking_filter_disabled_flag << 2; + + if (!slice_deblocking_filter_disabled_flag) { + val |= (param->p.slice_beta_offset_div2 & 0xf) << 3; + val |= (param->p.slice_tc_offset_div2 & 0xf) << 7; + } + } else { + val |= + ((misc_flag0 >> + PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & 0x1) << 2; + + if (((misc_flag0 >> PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & + 0x1) == 0) { + val |= (param->p.pps_beta_offset_div2 & 0xf) << 3; + val |= (param->p.pps_tc_offset_div2 & 0xf) << 7; + } + } + if ((misc_flag0 & (1 << PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT)) && + ((misc_flag0 & (1 << SLICE_SAO_LUMA_FLAG_BIT)) || + (misc_flag0 & (1 << SLICE_SAO_CHROMA_FLAG_BIT)) || + (!slice_deblocking_filter_disabled_flag))) { + val |= + ((misc_flag0 >> + SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 1; + val_2 |= + ((misc_flag0 >> + SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 9; + } else { + val |= + ((misc_flag0 >> + PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 1; + val_2 |= + ((misc_flag0 >> + PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT) + & 0x1) << 9; + } + + amvdec_write_dos(core, HEVC_DBLK_CFG9, val); + amvdec_write_dos(core, HEVC_SAO_CTRL0, val_2); + + amvdec_write_dos(core, HEVC_sao_mem_unit, sao_mem_unit); + amvdec_write_dos(core, HEVC_SAO_ABV, + hevc->workspace_paddr + SAO_ABV_OFFSET); + amvdec_write_dos(core, HEVC_sao_vb_size, sao_vb_size); + amvdec_write_dos(core, HEVC_SAO_VB, + hevc->workspace_paddr + SAO_VB_OFFSET); +} + +static dma_addr_t codec_hevc_get_frame_mv_paddr(struct codec_hevc *hevc, + struct hevc_frame *frame) +{ + return hevc->workspace_paddr + MPRED_MV_OFFSET + + (frame->vbuf->vb2_buf.index * MPRED_MV_BUF_SIZE); +} + +static void +codec_hevc_set_mpred_ctrl(struct amvdec_core *core, struct codec_hevc *hevc) +{ + union rpm_param *param = &hevc->rpm_param; + u32 slice_type = param->p.slice_type; + u32 lcu_size_log2 = ilog2(hevc->lcu_size); + u32 val; + + val = slice_type | + MPRED_CTRL0_ABOVE_EN | + MPRED_CTRL0_MV_WR_EN | + MPRED_CTRL0_BUF_LINEAR | + (lcu_size_log2 << 16) | + (3 << 20) | /* cu_size_log2 */ + (param->p.log2_parallel_merge_level << 24); + + if (slice_type != I_SLICE) + val |= MPRED_CTRL0_MV_RD_EN; + + if (param->p.collocated_from_l0_flag) + val |= MPRED_CTRL0_COL_FROM_L0; + + if (param->p.slice_temporal_mvp_enable_flag) + val |= MPRED_CTRL0_TMVP; + + if (hevc->ldc_flag) + val |= MPRED_CTRL0_LDC; + + if (param->p.dependent_slice_segment_flag) + val |= MPRED_CTRL0_NEW_SLI_SEG; + + if (param->p.slice_segment_address == 0) + val |= MPRED_CTRL0_NEW_PIC | + MPRED_CTRL0_NEW_TILE; + + amvdec_write_dos(core, HEVC_MPRED_CTRL0, val); + + val = (5 - param->p.five_minus_max_num_merge_cand) | + (AMVP_MAX_NUM_CANDS << 4) | + (AMVP_MAX_NUM_CANDS_MEM << 8) | + (NUM_CHROMA_MODE << 12) | + (DM_CHROMA_IDX << 16); + amvdec_write_dos(core, HEVC_MPRED_CTRL1, val); +} + +static void codec_hevc_set_mpred_mv(struct amvdec_core *core, + struct codec_hevc *hevc, + struct hevc_frame *frame, + struct hevc_frame *col_frame) +{ + union rpm_param *param = &hevc->rpm_param; + u32 lcu_size_log2 = ilog2(hevc->lcu_size); + u32 mv_mem_unit = lcu_size_log2 == 6 ? 0x200 : + lcu_size_log2 == 5 ? 0x80 : 0x20; + dma_addr_t col_mv_rd_start_addr, col_mv_rd_ptr, col_mv_rd_end_addr; + dma_addr_t mpred_mv_wr_ptr; + + amvdec_read_dos(core, HEVC_MPRED_CURR_LCU); + + col_mv_rd_start_addr = codec_hevc_get_frame_mv_paddr(hevc, col_frame); + mpred_mv_wr_ptr = codec_hevc_get_frame_mv_paddr(hevc, frame) + + (hevc->slice_addr * mv_mem_unit); + col_mv_rd_ptr = col_mv_rd_start_addr + + (hevc->slice_addr * mv_mem_unit); + col_mv_rd_end_addr = col_mv_rd_start_addr + + (hevc->lcu_total * mv_mem_unit); + + amvdec_write_dos(core, HEVC_MPRED_MV_WR_START_ADDR, + codec_hevc_get_frame_mv_paddr(hevc, frame)); + amvdec_write_dos(core, HEVC_MPRED_MV_RD_START_ADDR, + col_mv_rd_start_addr); + + if (param->p.slice_segment_address == 0) { + amvdec_write_dos(core, HEVC_MPRED_ABV_START_ADDR, + hevc->workspace_paddr + MPRED_ABV_OFFSET); + amvdec_write_dos(core, HEVC_MPRED_MV_WPTR, mpred_mv_wr_ptr); + amvdec_write_dos(core, HEVC_MPRED_MV_RPTR, + col_mv_rd_start_addr); + } else { + amvdec_write_dos(core, HEVC_MPRED_MV_RPTR, col_mv_rd_ptr); + } + + amvdec_write_dos(core, HEVC_MPRED_MV_RD_END_ADDR, col_mv_rd_end_addr); +} + +/* Update motion prediction with the current slice */ +static void codec_hevc_set_mpred(struct amvdec_session *sess, + struct hevc_frame *frame, + struct hevc_frame *col_frame) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + u32 *ref_num = frame->ref_num; + u32 *ref_poc_l0 = frame->ref_poc_list[0][frame->cur_slice_idx]; + u32 *ref_poc_l1 = frame->ref_poc_list[1][frame->cur_slice_idx]; + u32 val; + int i; + + codec_hevc_set_mpred_ctrl(core, hevc); + codec_hevc_set_mpred_mv(core, hevc, frame, col_frame); + + amvdec_write_dos(core, HEVC_MPRED_PIC_SIZE, + hevc->width | (hevc->height << 16)); + + val = ((hevc->lcu_x_num - 1) | (hevc->lcu_y_num - 1) << 16); + amvdec_write_dos(core, HEVC_MPRED_PIC_SIZE_LCU, val); + + amvdec_write_dos(core, HEVC_MPRED_REF_NUM, + (ref_num[1] << 8) | ref_num[0]); + amvdec_write_dos(core, HEVC_MPRED_REF_EN_L0, (1 << ref_num[0]) - 1); + amvdec_write_dos(core, HEVC_MPRED_REF_EN_L1, (1 << ref_num[1]) - 1); + + amvdec_write_dos(core, HEVC_MPRED_CUR_POC, hevc->curr_poc); + amvdec_write_dos(core, HEVC_MPRED_COL_POC, hevc->col_poc); + + for (i = 0; i < MAX_REF_ACTIVE; ++i) { + amvdec_write_dos(core, HEVC_MPRED_L0_REF00_POC + i * 4, + ref_poc_l0[i]); + amvdec_write_dos(core, HEVC_MPRED_L1_REF00_POC + i * 4, + ref_poc_l1[i]); + } +} + +/* motion compensation reference cache controller */ +static void codec_hevc_set_mcrcc(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + u32 val, val_2; + int l0_cnt = 0; + int l1_cnt = 0x7fff; + + if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + l0_cnt = hevc->cur_frame->ref_num[0]; + l1_cnt = hevc->cur_frame->ref_num[1]; + } + + if (hevc->cur_frame->cur_slice_type == I_SLICE) { + amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0); + return; + } + + if (hevc->cur_frame->cur_slice_type == P_SLICE) { + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, + BIT(1)); + val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val &= 0xffff; + val |= (val << 16); + amvdec_write_dos(core, HEVCD_MCRCC_CTL2, val); + + if (l0_cnt == 1) { + amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val); + } else { + val = amvdec_read_dos(core, + HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val &= 0xffff; + val |= (val << 16); + amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val); + } + } else { /* B_SLICE */ + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 0); + val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val &= 0xffff; + val |= (val << 16); + amvdec_write_dos(core, HEVCD_MCRCC_CTL2, val); + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, + BIT(12) | BIT(1)); + val_2 = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val_2 &= 0xffff; + val_2 |= (val_2 << 16); + if (val == val_2 && l1_cnt > 1) { + val_2 = amvdec_read_dos(core, + HEVCD_MPP_ANC_CANVAS_DATA_ADDR); + val_2 &= 0xffff; + val_2 |= (val_2 << 16); + } + amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val); + } + + /* enable mcrcc progressive-mode */ + amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0xff0); +} + +static void codec_hevc_set_ref_list(struct amvdec_session *sess, + u32 ref_num, u32 *ref_poc_list) +{ + struct codec_hevc *hevc = sess->priv; + struct hevc_frame *ref_frame; + struct amvdec_core *core = sess->core; + int i; + u32 buf_id_y; + u32 buf_id_uv; + + for (i = 0; i < ref_num; i++) { + ref_frame = codec_hevc_get_frame_by_poc(hevc, ref_poc_list[i]); + + if (!ref_frame) { + dev_warn(core->dev, "Couldn't find ref. frame %u\n", + ref_poc_list[i]); + continue; + } + + if (codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) { + buf_id_y = ref_frame->vbuf->vb2_buf.index; + buf_id_uv = buf_id_y; + } else { + buf_id_y = ref_frame->vbuf->vb2_buf.index * 2; + buf_id_uv = buf_id_y + 1; + } + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR, + (buf_id_uv << 16) | + (buf_id_uv << 8) | + buf_id_y); + } +} + +static void codec_hevc_set_mc(struct amvdec_session *sess, + struct hevc_frame *frame) +{ + struct amvdec_core *core = sess->core; + + if (frame->cur_slice_type == I_SLICE) + return; + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1); + codec_hevc_set_ref_list(sess, frame->ref_num[0], + frame->ref_poc_list[0][frame->cur_slice_idx]); + + if (frame->cur_slice_type == P_SLICE) + return; + + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, + BIT(12) | BIT(0)); + codec_hevc_set_ref_list(sess, frame->ref_num[1], + frame->ref_poc_list[1][frame->cur_slice_idx]); +} + +static void codec_hevc_update_col_frame(struct codec_hevc *hevc) +{ + struct hevc_frame *cur_frame = hevc->cur_frame; + union rpm_param *param = &hevc->rpm_param; + u32 list_no = 0; + u32 col_ref = param->p.collocated_ref_idx; + u32 col_from_l0 = param->p.collocated_from_l0_flag; + u32 cur_slice_idx = cur_frame->cur_slice_idx; + + if (cur_frame->cur_slice_type == B_SLICE) + list_no = 1 - col_from_l0; + + if (col_ref >= cur_frame->ref_num[list_no]) + hevc->col_poc = INVALID_POC; + else + hevc->col_poc = cur_frame->ref_poc_list[list_no] + [cur_slice_idx] + [col_ref]; + + if (cur_frame->cur_slice_type == I_SLICE) + goto end; + + if (hevc->col_poc != INVALID_POC) + hevc->col_frame = codec_hevc_get_frame_by_poc(hevc, + hevc->col_poc); + else + hevc->col_frame = hevc->cur_frame; + +end: + if (!hevc->col_frame) + hevc->col_frame = hevc->cur_frame; +} + +static void codec_hevc_update_pocs(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + union rpm_param *param = &hevc->rpm_param; + u32 nal_unit_type = param->p.m_nalUnitType; + u32 temporal_id = param->p.m_temporalId & 0x7; + int max_poc_lsb = + 1 << (param->p.log2_max_pic_order_cnt_lsb_minus4 + 4); + int prev_poc_lsb; + int prev_poc_msb; + int poc_msb; + int poc_lsb = param->p.POClsb; + + if (nal_unit_type == NAL_UNIT_CODED_SLICE_IDR || + nal_unit_type == NAL_UNIT_CODED_SLICE_IDR_N_LP) { + hevc->curr_poc = 0; + if ((temporal_id - 1) == 0) + hevc->prev_tid0_poc = hevc->curr_poc; + + return; + } + + prev_poc_lsb = hevc->prev_tid0_poc % max_poc_lsb; + prev_poc_msb = hevc->prev_tid0_poc - prev_poc_lsb; + + if ((poc_lsb < prev_poc_lsb) && + ((prev_poc_lsb - poc_lsb) >= (max_poc_lsb / 2))) + poc_msb = prev_poc_msb + max_poc_lsb; + else if ((poc_lsb > prev_poc_lsb) && + ((poc_lsb - prev_poc_lsb) > (max_poc_lsb / 2))) + poc_msb = prev_poc_msb - max_poc_lsb; + else + poc_msb = prev_poc_msb; + + if (nal_unit_type == NAL_UNIT_CODED_SLICE_BLA || + nal_unit_type == NAL_UNIT_CODED_SLICE_BLANT || + nal_unit_type == NAL_UNIT_CODED_SLICE_BLA_N_LP) + poc_msb = 0; + + hevc->curr_poc = (poc_msb + poc_lsb); + if ((temporal_id - 1) == 0) + hevc->prev_tid0_poc = hevc->curr_poc; +} + +static void codec_hevc_process_segment_header(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + union rpm_param *param = &hevc->rpm_param; + + if (param->p.first_slice_segment_in_pic_flag == 0) { + hevc->slice_segment_addr = param->p.slice_segment_address; + if (!param->p.dependent_slice_segment_flag) + hevc->slice_addr = hevc->slice_segment_addr; + } else { + hevc->slice_segment_addr = 0; + hevc->slice_addr = 0; + } + + codec_hevc_update_pocs(sess); +} + +static int codec_hevc_process_segment(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + struct amvdec_core *core = sess->core; + union rpm_param *param = &hevc->rpm_param; + u32 slice_segment_address = param->p.slice_segment_address; + + /* First slice: new frame */ + if (slice_segment_address == 0) { + codec_hevc_update_referenced(hevc); + codec_hevc_show_frames(sess); + + hevc->cur_frame = codec_hevc_prepare_new_frame(sess); + if (!hevc->cur_frame) + return -1; + } else { + hevc->cur_frame->cur_slice_idx++; + } + + codec_hevc_update_frame_refs(sess, hevc->cur_frame); + codec_hevc_update_col_frame(hevc); + codec_hevc_update_ldc_flag(hevc); + if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, + hevc->is_10bit)) + codec_hevc_fill_mmu_map(sess, &hevc->common, + &hevc->cur_frame->vbuf->vb2_buf, + hevc->is_10bit); + codec_hevc_set_mc(sess, hevc->cur_frame); + codec_hevc_set_mcrcc(sess); + codec_hevc_set_mpred(sess, hevc->cur_frame, hevc->col_frame); + codec_hevc_set_sao(sess, hevc->cur_frame); + + amvdec_write_dos_bits(core, HEVC_WAIT_FLAG, BIT(1)); + amvdec_write_dos(core, HEVC_DEC_STATUS_REG, + HEVC_CODED_SLICE_SEGMENT_DAT); + + /* Interrupt the firmware's processor */ + amvdec_write_dos(core, HEVC_MCPU_INTR_REQ, AMRISC_MAIN_REQ); + + return 0; +} + +static int codec_hevc_process_rpm(struct codec_hevc *hevc) +{ + union rpm_param *param = &hevc->rpm_param; + int src_changed = 0; + u32 dst_width, dst_height; + u32 lcu_size; + u32 is_10bit = 0; + + if (param->p.slice_segment_address || + !param->p.pic_width_in_luma_samples || + !param->p.pic_height_in_luma_samples) + return 0; + + if (param->p.bit_depth) + is_10bit = 1; + + hevc->width = param->p.pic_width_in_luma_samples; + hevc->height = param->p.pic_height_in_luma_samples; + dst_width = hevc->width; + dst_height = hevc->height; + + lcu_size = 1 << (param->p.log2_min_coding_block_size_minus3 + + 3 + param->p.log2_diff_max_min_coding_block_size); + + hevc->lcu_x_num = (hevc->width + lcu_size - 1) / lcu_size; + hevc->lcu_y_num = (hevc->height + lcu_size - 1) / lcu_size; + hevc->lcu_total = hevc->lcu_x_num * hevc->lcu_y_num; + + if (param->p.conformance_window_flag) { + u32 sub_width = 1, sub_height = 1; + + switch (param->p.chroma_format_idc) { + case 1: + sub_height = 2; + fallthrough; + case 2: + sub_width = 2; + break; + } + + dst_width -= sub_width * + (param->p.conf_win_left_offset + + param->p.conf_win_right_offset); + dst_height -= sub_height * + (param->p.conf_win_top_offset + + param->p.conf_win_bottom_offset); + } + + if (dst_width != hevc->dst_width || + dst_height != hevc->dst_height || + lcu_size != hevc->lcu_size || + is_10bit != hevc->is_10bit) + src_changed = 1; + + hevc->dst_width = dst_width; + hevc->dst_height = dst_height; + hevc->lcu_size = lcu_size; + hevc->is_10bit = is_10bit; + + return src_changed; +} + +/* + * The RPM section within the workspace contains + * many information regarding the parsed bitstream + */ +static void codec_hevc_fetch_rpm(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + u16 *rpm_vaddr = hevc->workspace_vaddr + RPM_OFFSET; + int i, j; + + for (i = 0; i < RPM_SIZE; i += 4) { + for (j = 0; j < 4; j++) + hevc->rpm_param.l.data[i + j] = + rpm_vaddr[i + 3 - j]; + } +} + +static void codec_hevc_resume(struct amvdec_session *sess) +{ + struct codec_hevc *hevc = sess->priv; + + if (codec_hevc_setup_buffers(sess, &hevc->common, hevc->is_10bit)) { + amvdec_abort(sess); + return; + } + + codec_hevc_setup_decode_head(sess, hevc->is_10bit); + codec_hevc_process_segment_header(sess); + if (codec_hevc_process_segment(sess)) + amvdec_abort(sess); +} + +static irqreturn_t codec_hevc_threaded_isr(struct amvdec_session *sess) +{ + struct amvdec_core *core = sess->core; + struct codec_hevc *hevc = sess->priv; + u32 dec_status = amvdec_read_dos(core, HEVC_DEC_STATUS_REG); + + if (!hevc) + return IRQ_HANDLED; + + mutex_lock(&hevc->lock); + if (dec_status != HEVC_SLICE_SEGMENT_DONE) { + dev_err(core->dev_dec, "Unrecognized dec_status: %08X\n", + dec_status); + amvdec_abort(sess); + goto unlock; + } + + sess->keyframe_found = 1; + codec_hevc_fetch_rpm(sess); + if (codec_hevc_process_rpm(hevc)) { + amvdec_src_change(sess, hevc->dst_width, hevc->dst_height, 16, + hevc->is_10bit ? 10 : 8); + goto unlock; + } + + codec_hevc_process_segment_header(sess); + if (codec_hevc_process_segment(sess)) + amvdec_abort(sess); + +unlock: + mutex_unlock(&hevc->lock); + return IRQ_HANDLED; +} + +static irqreturn_t codec_hevc_isr(struct amvdec_session *sess) +{ + return IRQ_WAKE_THREAD; +} + +struct amvdec_codec_ops codec_hevc_ops = { + .start = codec_hevc_start, + .stop = codec_hevc_stop, + .isr = codec_hevc_isr, + .threaded_isr = codec_hevc_threaded_isr, + .num_pending_bufs = codec_hevc_num_pending_bufs, + .drain = codec_hevc_flush_output, + .resume = codec_hevc_resume, +}; diff --git a/drivers/staging/media/meson/vdec/codec_hevc.h b/drivers/staging/media/meson/vdec/codec_hevc.h new file mode 100644 index 000000000000..f2f9b2464df1 --- /dev/null +++ b/drivers/staging/media/meson/vdec/codec_hevc.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2018 Maxime Jourdan + */ + +#ifndef __MESON_VDEC_CODEC_HEVC_H_ +#define __MESON_VDEC_CODEC_HEVC_H_ + +#include "vdec.h" + +extern struct amvdec_codec_ops codec_hevc_ops; + +#endif diff --git a/drivers/staging/media/meson/vdec/esparser.c b/drivers/staging/media/meson/vdec/esparser.c index 3cd29ab4f979..6988348ce714 100644 --- a/drivers/staging/media/meson/vdec/esparser.c +++ b/drivers/staging/media/meson/vdec/esparser.c @@ -310,7 +310,8 @@ esparser_queue(struct amvdec_session *sess, struct vb2_v4l2_buffer *vbuf) * they could pause when there is no capture buffer available and * resume on this notification. */ - if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9) { + if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9 || + sess->fmt_out->pixfmt == V4L2_PIX_FMT_HEVC) { if (codec_ops->num_pending_bufs) num_dst_bufs = codec_ops->num_pending_bufs(sess); diff --git a/drivers/staging/media/meson/vdec/hevc_regs.h b/drivers/staging/media/meson/vdec/hevc_regs.h index 0392f41a1eed..e7eabdd2b119 100644 --- a/drivers/staging/media/meson/vdec/hevc_regs.h +++ b/drivers/staging/media/meson/vdec/hevc_regs.h @@ -205,6 +205,7 @@ #define HEVC_CM_HEADER_START_ADDR 0xd8a0 #define HEVC_CM_HEADER_LENGTH 0xd8a4 #define HEVC_CM_HEADER_OFFSET 0xd8ac +#define HEVC_SAO_CTRL9 0xd8b4 #define HEVC_SAO_MMU_VH0_ADDR 0xd8e8 #define HEVC_SAO_MMU_VH1_ADDR 0xd8ec diff --git a/drivers/staging/media/meson/vdec/vdec_platform.c b/drivers/staging/media/meson/vdec/vdec_platform.c index 88c9d72e1c83..ea2aa0e8cf0b 100644 --- a/drivers/staging/media/meson/vdec/vdec_platform.c +++ b/drivers/staging/media/meson/vdec/vdec_platform.c @@ -11,10 +11,23 @@ #include "vdec_hevc.h" #include "codec_mpeg12.h" #include "codec_h264.h" +#include "codec_hevc.h" #include "codec_vp9.h" static const struct amvdec_format vdec_formats_gxbb[] = { { + .pixfmt = V4L2_PIX_FMT_HEVC, + .min_buffers = 4, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_hevc_ops, + .codec_ops = &codec_hevc_ops, + .firmware_path = "meson/vdec/gxl_hevc.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { .pixfmt = V4L2_PIX_FMT_H264, .min_buffers = 2, .max_buffers = 24, @@ -64,6 +77,18 @@ static const struct amvdec_format vdec_formats_gxl[] = { .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, .flags = V4L2_FMT_FLAG_COMPRESSED | V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { + .pixfmt = V4L2_PIX_FMT_HEVC, + .min_buffers = 4, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_hevc_ops, + .codec_ops = &codec_hevc_ops, + .firmware_path = "meson/vdec/gxl_hevc.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, }, { .pixfmt = V4L2_PIX_FMT_H264, .min_buffers = 2, @@ -114,6 +139,18 @@ static const struct amvdec_format vdec_formats_gxm[] = { .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, .flags = V4L2_FMT_FLAG_COMPRESSED | V4L2_FMT_FLAG_DYN_RESOLUTION, + }, { + .pixfmt = V4L2_PIX_FMT_HEVC, + .min_buffers = 4, + .max_buffers = 24, + .max_width = 3840, + .max_height = 2160, + .vdec_ops = &vdec_hevc_ops, + .codec_ops = &codec_hevc_ops, + .firmware_path = "meson/vdec/gxl_hevc.bin", + .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 }, + .flags = V4L2_FMT_FLAG_COMPRESSED | + V4L2_FMT_FLAG_DYN_RESOLUTION, }, { .pixfmt = V4L2_PIX_FMT_H264, .min_buffers = 2,