From: Yunfei Dong <[email protected]> Add support for communicating with the SCP firmware, which will be used by MT8183.
Signed-off-by: Yunfei Dong <[email protected]> [acourbot: refactor, cleanup and split] Co-developed-by: Alexandre Courbot <[email protected]> Signed-off-by: Alexandre Courbot <[email protected]> --- .../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 | 51 +++++++++++++++++++ .../media/platform/mtk-vcodec/mtk_vcodec_fw.h | 2 + 4 files changed, 59 insertions(+) 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 f6494f584354..53a9e016d989 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -226,6 +226,9 @@ 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 6a2ae909d36b..1f40dd780f30 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -234,6 +234,9 @@ 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_fw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c index a4361f57aedc..de22e16ad3a3 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c @@ -63,6 +63,48 @@ 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(fw->rproc); +} + +static unsigned int mtk_vcodec_scp_get_vdec_capa(struct mtk_vcodec_fw *fw) +{ + return scp_get_vdec_hw_capa(fw->pdev); +} + +static unsigned int mtk_vcodec_scp_get_venc_capa(struct mtk_vcodec_fw *fw) +{ + return scp_get_venc_hw_capa(fw->pdev); +} + +static void *mtk_vcodec_vpu_scp_dm_addr(struct mtk_vcodec_fw *fw, + u32 dtcm_dmem_addr) +{ + return scp_mapping_dm_addr(fw->pdev, 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->pdev, 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->pdev, 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; @@ -96,6 +138,15 @@ 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; + fw_pdev = scp_get_pdev(dev->plat_dev); + rproc = rproc_get_by_phandle(rproc_phandle); + if (!rproc) { + mtk_v4l2_err("could not get vdec rproc handle"); + return ERR_PTR(-EPROBE_DEFER); + } + break; default: mtk_v4l2_err("invalid vcodec fw type"); return ERR_PTR(-EINVAL); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h index a6edb3858e6e..c000bda70362 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 <linux/remoteproc.h> +#include <linux/remoteproc/mtk_scp.h> #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; -- 2.23.0.187.g17f5b7556c-goog
