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J . Mercier" , =?utf-8?q?Christian_K=C3=B6nig?= , Matthias Brugger , , , , , , , Subject: [PATCH v3,10/21] media: mediatek: vcodec: send share memory data to optee Date: Wed, 6 Dec 2023 16:15:27 +0800 Message-ID: <20231206081538.17056-11-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231206081538.17056-1-yunfei.dong@mediatek.com> References: <20231206081538.17056-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231206_003150_096542_4E539012 X-CRM114-Status: GOOD ( 17.65 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Setting msg and vsi information to shared buffer, then call tee invoke function to send it to optee-os. Signed-off-by: Yunfei Dong --- .../vcodec/decoder/mtk_vcodec_dec_optee.c | 140 ++++++++++++++++++ .../vcodec/decoder/mtk_vcodec_dec_optee.h | 51 +++++++ 2 files changed, 191 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c index 611fb0e56480..f29a8d143fee 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c @@ -241,3 +241,143 @@ void mtk_vcodec_dec_optee_release(struct mtk_vdec_optee_private *optee_private) mutex_unlock(&optee_private->tee_mutex); } EXPORT_SYMBOL_GPL(mtk_vcodec_dec_optee_release); + +static int mtk_vcodec_dec_optee_fill_shm(struct tee_param *command_params, + struct mtk_vdec_optee_shm_memref *shm_memref, + struct mtk_vdec_optee_data_to_shm *data, + int index, struct device *dev) +{ + if (!data->msg_buf_size[index] || !data->msg_buf[index]) { + pr_err(MTK_DBG_VCODEC_STR "tee invalid buf param: %d.\n", index); + return -EINVAL; + } + + *command_params = (struct tee_param) { + .attr = shm_memref->param_type, + .u.memref = { + .shm = shm_memref->msg_shm, + .size = data->msg_buf_size[index], + .shm_offs = 0, + }, + }; + + if (!shm_memref->copy_to_ta) { + dev_dbg(dev, MTK_DBG_VCODEC_STR "share memref data: 0x%x param_type:%llu.\n", + *((unsigned int *)shm_memref->msg_shm_ca_buf), shm_memref->param_type); + return 0; + } + + memset(shm_memref->msg_shm_ca_buf, 0, shm_memref->msg_shm_size); + memcpy(shm_memref->msg_shm_ca_buf, data->msg_buf[index], data->msg_buf_size[index]); + + dev_dbg(dev, MTK_DBG_VCODEC_STR "share memref data => msg id:0x%x 0x%x param_type:%llu.\n", + *((unsigned int *)data->msg_buf[index]), + *((unsigned int *)shm_memref->msg_shm_ca_buf), + shm_memref->param_type); + + return 0; +} + +void mtk_vcodec_dec_optee_set_data(struct mtk_vdec_optee_data_to_shm *data, + void *buf, int buf_size, + enum mtk_vdec_optee_data_index index) +{ + data->msg_buf[index] = buf; + data->msg_buf_size[index] = buf_size; +} +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_optee_set_data); + +int mtk_vcodec_dec_optee_invokd_cmd(struct mtk_vdec_optee_private *optee_private, + enum mtk_vdec_hw_id hw_id, + struct mtk_vdec_optee_data_to_shm *data) +{ + struct device *dev = &optee_private->vcodec_dev->plat_dev->dev; + struct tee_ioctl_invoke_arg trans_args; + struct tee_param command_params[MTK_OPTEE_MAX_TEE_PARAMS]; + struct mtk_vdec_optee_ca_info *ca_info; + struct mtk_vdec_optee_shm_memref *shm_memref; + int ret, index; + + if (hw_id == MTK_VDEC_LAT0) + ca_info = &optee_private->lat_ca; + else + ca_info = &optee_private->core_ca; + + memset(&trans_args, 0, sizeof(trans_args)); + memset(command_params, 0, sizeof(command_params)); + + trans_args = (struct tee_ioctl_invoke_arg) { + .func = ca_info->vdec_session_func, + .session = ca_info->vdec_session_id, + .num_params = MTK_OPTEE_MAX_TEE_PARAMS, + }; + + /* Fill msg command parameters */ + for (index = 0; index < MTK_OPTEE_MAX_TEE_PARAMS; index++) { + shm_memref = &ca_info->shm_memref[index]; + + if (shm_memref->param_type == TEE_IOCTL_PARAM_ATTR_TYPE_NONE || + data->msg_buf_size[index] == 0) + continue; + + dev_dbg(dev, MTK_DBG_VCODEC_STR "tee share memory data size: %d -> %d.\n", + data->msg_buf_size[index], shm_memref->msg_shm_size); + + if (data->msg_buf_size[index] > shm_memref->msg_shm_size) { + dev_err(dev, MTK_DBG_VCODEC_STR "tee buf size big than shm (%d -> %d).\n", + data->msg_buf_size[index], shm_memref->msg_shm_size); + return -EINVAL; + } + + ret = mtk_vcodec_dec_optee_fill_shm(&command_params[index], shm_memref, + data, index, dev); + if (ret) + return ret; + } + + ret = tee_client_invoke_func(optee_private->tee_vdec_ctx, &trans_args, command_params); + if (ret < 0 || trans_args.ret != 0) { + dev_err(dev, MTK_DBG_VCODEC_STR "tee submit command fail: 0x%x 0x%x.\n", + trans_args.ret, ret); + return (ret < 0) ? ret : trans_args.ret; + } + + /* clear all attrs, set all command param to unused */ + for (index = 0; index < MTK_OPTEE_MAX_TEE_PARAMS; index++) { + data->msg_buf[index] = NULL; + data->msg_buf_size[index] = 0; + } + + return 0; +} +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_optee_invokd_cmd); + +void *mtk_vcodec_dec_get_shm_buffer_va(struct mtk_vdec_optee_private *optee_private, + enum mtk_vdec_hw_id hw_id, + enum mtk_vdec_optee_data_index data_index) +{ + struct mtk_vdec_optee_ca_info *ca_info; + + if (hw_id == MTK_VDEC_LAT0) + ca_info = &optee_private->lat_ca; + else + ca_info = &optee_private->core_ca; + + return ca_info->shm_memref[data_index].msg_shm_ca_buf; +} +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_get_shm_buffer_va); + +int mtk_vcodec_dec_get_shm_buffer_size(struct mtk_vdec_optee_private *optee_private, + enum mtk_vdec_hw_id hw_id, + enum mtk_vdec_optee_data_index data_index) +{ + struct mtk_vdec_optee_ca_info *ca_info; + + if (hw_id == MTK_VDEC_LAT0) + ca_info = &optee_private->lat_ca; + else + ca_info = &optee_private->core_ca; + + return ca_info->shm_memref[data_index].msg_shm_size; +} +EXPORT_SYMBOL_GPL(mtk_vcodec_dec_get_shm_buffer_size); diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h index 24aa63af9887..c24a567ec877 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h @@ -62,6 +62,16 @@ enum mtk_vdec_optee_data_index { OPTEE_MAX_INDEX, }; +/** + * struct mtk_vdec_optee_data_to_shm - shm data used for TA + * @msg_buf: msg information to TA. + * @msg_buf_len: length of msg information. + */ +struct mtk_vdec_optee_data_to_shm { + void *msg_buf[MTK_OPTEE_MAX_TEE_PARAMS]; + int msg_buf_size[MTK_OPTEE_MAX_TEE_PARAMS]; +}; + /** * struct mtk_vdec_optee_private - optee private data * @vcodec_dev: pointer to the mtk_vcodec_dev of the device @@ -102,4 +112,45 @@ int mtk_vcodec_dec_optee_private_init(struct mtk_vcodec_dec_dev *vcodec_dev); */ void mtk_vcodec_dec_optee_release(struct mtk_vdec_optee_private *optee_private); +/** + * mtk_vcodec_dec_optee_set_data - set buffer to share memref. + * @vcodec_dev: normal world data used to init optee share memory + * @buf: normal world buffer address + * @buf_size: buf size + * @data_index: indentify each share memory informaiton + */ +void mtk_vcodec_dec_optee_set_data(struct mtk_vdec_optee_data_to_shm *data, + void *buf, int buf_size, + enum mtk_vdec_optee_data_index data_index); + +/** + * mtk_vcodec_dec_optee_invokd_cmd - send share memory data to optee . + * @optee_private: optee private context + * @hw_id: hardware index + * @data: normal world data used to init optee share memory + */ +int mtk_vcodec_dec_optee_invokd_cmd(struct mtk_vdec_optee_private *optee_private, + enum mtk_vdec_hw_id hw_id, + struct mtk_vdec_optee_data_to_shm *data); + +/** + * mtk_vcodec_dec_get_shm_buffer_va - close the communication channels with TA. + * @optee_private: optee private context + * @hw_id: hardware index + * @@data_index: indentify each share memory informaiton + */ +void *mtk_vcodec_dec_get_shm_buffer_va(struct mtk_vdec_optee_private *optee_private, + enum mtk_vdec_hw_id hw_id, + enum mtk_vdec_optee_data_index data_index); + +/** + * mtk_vcodec_dec_get_shm_buffer_size - close the communication channels with TA. + * @optee_private: optee private context + * @hw_id: hardware index + * @@data_index: indentify each share memory informaiton + */ +int mtk_vcodec_dec_get_shm_buffer_size(struct mtk_vdec_optee_private *optee_private, + enum mtk_vdec_hw_id hw_id, + enum mtk_vdec_optee_data_index data_index); + #endif /* _MTK_VCODEC_FW_OPTEE_H_ */