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Fri, 21 Aug 2020 03:36:42 -0700 (PDT) From: Alexandre Courbot To: Tiffany Lin , Andrew-CT Chen , Hans Verkuil , Yunfei Dong , Maoguang Meng , Matthias Brugger Subject: [PATCH v4 03/17] media: mtk-vcodec: add SCP firmware ops Date: Fri, 21 Aug 2020 19:35:54 +0900 Message-Id: <20200821103608.2310097-4-acourbot@chromium.org> X-Mailer: git-send-email 2.28.0.297.g1956fa8f8d-goog In-Reply-To: <20200821103608.2310097-1-acourbot@chromium.org> References: <20200821103608.2310097-1-acourbot@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200821_063644_935562_3C337506 X-CRM114-Status: GOOD ( 19.45 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:543 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Courbot , linux-media@vger.kernel.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Yunfei Dong Add support for communicating with the SCP firmware, which will be used by MT8183. Signed-off-by: Yunfei Dong [acourbot: refactor, cleanup and split] Co-developed-by: Alexandre Courbot Signed-off-by: Alexandre Courbot Acked-by: Tiffany Lin Reported-by: kernel test robot --- drivers/media/platform/Kconfig | 1 + .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 3 + .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 3 + .../media/platform/mtk-vcodec/mtk_vcodec_fw.c | 56 +++++++++++++++++++ .../media/platform/mtk-vcodec/mtk_vcodec_fw.h | 2 + 5 files changed, 65 insertions(+) diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index c57ee78fa99d..f0dbe048efea 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -256,6 +256,7 @@ config VIDEO_MEDIATEK_VCODEC select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV select VIDEO_MEDIATEK_VPU + select MTK_SCP help Mediatek video codec driver provides HW capability to encode and decode in a range of video formats diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index 4f07a5fcce7f..5b5765b98e57 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -225,6 +225,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu", &rproc_phandle)) { fw_type = VPU; + } else if (!of_property_read_u32(pdev->dev.of_node, "mediatek,scp", + &rproc_phandle)) { + fw_type = SCP; } else { mtk_v4l2_err("Could not get vdec IPI device"); return -ENODEV; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c index 4340ea10afd0..42530cd01a30 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -233,6 +233,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu", &rproc_phandle)) { fw_type = VPU; + } else if (!of_property_read_u32(pdev->dev.of_node, "mediatek,scp", + &rproc_phandle)) { + fw_type = SCP; } else { mtk_v4l2_err("Could not get venc IPI device"); return -ENODEV; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c index 967bb100a990..f2a62ea62fc6 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c @@ -19,6 +19,7 @@ struct mtk_vcodec_fw { enum mtk_vcodec_fw_type type; const struct mtk_vcodec_fw_ops *ops; struct platform_device *pdev; + struct mtk_scp *scp; }; static int mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw *fw) @@ -71,6 +72,48 @@ static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = { .ipi_send = mtk_vcodec_vpu_ipi_send, }; +static int mtk_vcodec_scp_load_firmware(struct mtk_vcodec_fw *fw) +{ + return rproc_boot(scp_get_rproc(fw->scp)); +} + +static unsigned int mtk_vcodec_scp_get_vdec_capa(struct mtk_vcodec_fw *fw) +{ + return scp_get_vdec_hw_capa(fw->scp); +} + +static unsigned int mtk_vcodec_scp_get_venc_capa(struct mtk_vcodec_fw *fw) +{ + return scp_get_venc_hw_capa(fw->scp); +} + +static void *mtk_vcodec_vpu_scp_dm_addr(struct mtk_vcodec_fw *fw, + u32 dtcm_dmem_addr) +{ + return scp_mapping_dm_addr(fw->scp, dtcm_dmem_addr); +} + +static int mtk_vcodec_scp_set_ipi_register(struct mtk_vcodec_fw *fw, int id, + mtk_vcodec_ipi_handler handler, const char *name, void *priv) +{ + return scp_ipi_register(fw->scp, id, handler, priv); +} + +static int mtk_vcodec_scp_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf, + unsigned int len, unsigned int wait) +{ + return scp_ipi_send(fw->scp, id, buf, len, wait); +} + +static const struct mtk_vcodec_fw_ops mtk_vcodec_rproc_msg = { + .load_firmware = mtk_vcodec_scp_load_firmware, + .get_vdec_capa = mtk_vcodec_scp_get_vdec_capa, + .get_venc_capa = mtk_vcodec_scp_get_venc_capa, + .map_dm_addr = mtk_vcodec_vpu_scp_dm_addr, + .ipi_register = mtk_vcodec_scp_set_ipi_register, + .ipi_send = mtk_vcodec_scp_ipi_send, +}; + static void mtk_vcodec_reset_handler(void *priv) { struct mtk_vcodec_dev *dev = priv; @@ -94,6 +137,7 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev, const struct mtk_vcodec_fw_ops *ops; struct mtk_vcodec_fw *fw; struct platform_device *fw_pdev = NULL; + struct mtk_scp *scp = NULL; switch (type) { case VPU: @@ -106,6 +150,14 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev, vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_reset_handler, dev, rst_id); break; + case SCP: + ops = &mtk_vcodec_rproc_msg; + scp = scp_get(dev->plat_dev); + if (!scp) { + mtk_v4l2_err("could not get vdec scp handle"); + return ERR_PTR(-EPROBE_DEFER); + } + break; default: mtk_v4l2_err("invalid vcodec fw type"); return ERR_PTR(-EINVAL); @@ -118,6 +170,7 @@ struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev, fw->type = type; fw->ops = ops; fw->pdev = fw_pdev; + fw->scp = scp; return fw; } @@ -129,6 +182,9 @@ void mtk_vcodec_fw_release(struct mtk_vcodec_fw *fw) case VPU: put_device(&fw->pdev->dev); break; + case SCP: + scp_put(fw->scp); + break; } } EXPORT_SYMBOL_GPL(mtk_vcodec_fw_release); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h index ff25b0c19f74..ced1b6a10e07 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h @@ -4,6 +4,7 @@ #define _MTK_VCODEC_FW_H_ #include +#include #include "../mtk-vpu/mtk_vpu.h" @@ -11,6 +12,7 @@ struct mtk_vcodec_dev; enum mtk_vcodec_fw_type { VPU, + SCP, }; struct mtk_vcodec_fw;