Setting msg and vsi information to shared buffer, then call tee invoke
function to send it to optee-os.

Signed-off-by: Yunfei Dong <yunfei.d...@mediatek.com>
---
 .../vcodec/decoder/mtk_vcodec_dec_optee.c     | 156 +++++++++++++++++-
 .../vcodec/decoder/mtk_vcodec_dec_optee.h     |  74 +++++++++
 2 files changed, 226 insertions(+), 4 deletions(-)

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 bcef86f54d84..8af9a81a02e1 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
@@ -27,6 +27,13 @@ static int mtk_vcodec_dec_optee_match(struct 
tee_ioctl_version_data *ver_data, c
        return ver_data->impl_id == TEE_IMPL_ID_OPTEE;
 }
 
+static inline
+struct mtk_vdec_optee_ca_info *get_ca_info(struct mtk_vdec_optee_private 
*optee_private,
+                                          enum mtk_vdec_hw_id hw_id)
+{
+       return hw_id == MTK_VDEC_LAT0 ? &optee_private->lat_ca : 
&optee_private->core_ca;
+}
+
 int mtk_vcodec_dec_optee_private_init(struct mtk_vcodec_dec_dev *vcodec_dev)
 {
        vcodec_dev->optee_private = devm_kzalloc(&vcodec_dev->plat_dev->dev,
@@ -164,10 +171,7 @@ static void mtk_vcodec_dec_optee_deinit_hw_info(struct 
mtk_vdec_optee_private *o
        struct mtk_vdec_optee_ca_info *ca_info;
        int i;
 
-       if (hw_id == MTK_VDEC_LAT0)
-               ca_info = &optee_private->lat_ca;
-       else
-               ca_info = &optee_private->core_ca;
+       ca_info = get_ca_info(optee_private, hw_id);
 
        for (i = 0; i < OPTEE_MAX_INDEX; i++)
                mtk_vcodec_dec_optee_deinit_memref(ca_info, i);
@@ -241,3 +245,147 @@ void mtk_vcodec_dec_optee_close(struct mtk_vcodec_dec_dev 
*vcodec_dev)
        mutex_unlock(&optee_private->tee_mutex);
 }
 EXPORT_SYMBOL_GPL(mtk_vcodec_dec_optee_close);
+
+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;
+}
+
+static 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;
+
+       ca_info = get_ca_info(optee_private, hw_id);
+
+       return ca_info->shm_memref[data_index].msg_shm_size;
+}
+
+void mtk_vcodec_dec_optee_set_msg_info(struct mtk_vdec_optee_data_to_shm *data,
+                                      void *buf, int buf_size)
+{
+       data->msg_buf[OPTEE_MSG_INDEX] = buf;
+       data->msg_buf_size[OPTEE_MSG_INDEX] = buf_size;
+}
+EXPORT_SYMBOL_GPL(mtk_vcodec_dec_optee_set_msg_info);
+
+void mtk_vcodec_dec_optee_set_data_info(struct mtk_vdec_optee_data_to_shm 
*data,
+                                       struct mtk_vcodec_dec_dev *vcodec_dev,
+                                       int hw_id)
+{
+       data->msg_buf[OPTEE_DATA_INDEX] =
+               mtk_vcodec_dec_get_shm_buffer_va(vcodec_dev, hw_id, 
OPTEE_DATA_INDEX);
+
+       data->msg_buf_size[OPTEE_DATA_INDEX] =
+               mtk_vcodec_dec_get_shm_buffer_size(vcodec_dev->optee_private,
+                                                  hw_id, OPTEE_DATA_INDEX);
+}
+EXPORT_SYMBOL_GPL(mtk_vcodec_dec_optee_set_data_info);
+
+int mtk_vcodec_dec_optee_invokd_cmd(struct mtk_vcodec_dec_dev *vcodec_dev,
+                                   enum mtk_vdec_hw_id hw_id,
+                                   struct mtk_vdec_optee_data_to_shm *data)
+{
+       struct mtk_vdec_optee_private *optee_private = 
vcodec_dev->optee_private;
+       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;
+
+       ca_info = get_ca_info(optee_private, hw_id);
+
+       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 bigger 
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_vcodec_dec_dev *vcodec_dev,
+                                      enum mtk_vdec_hw_id hw_id,
+                                      enum mtk_vdec_optee_data_index 
data_index)
+{
+       struct mtk_vdec_optee_ca_info *ca_info;
+
+       ca_info = get_ca_info(vcodec_dev->optee_private, hw_id);
+
+       return ca_info->shm_memref[data_index].msg_shm_ca_buf;
+}
+EXPORT_SYMBOL_GPL(mtk_vcodec_dec_get_shm_buffer_va);
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 271545a864d3..f9c4d0e8b9c7 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_size: 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_dec_dev of the device
@@ -103,6 +113,45 @@ int mtk_vcodec_dec_optee_private_init(struct 
mtk_vcodec_dec_dev *vcodec_dev);
  */
 void mtk_vcodec_dec_optee_close(struct mtk_vcodec_dec_dev *vcodec_dev);
 
+/**
+ * mtk_vcodec_dec_optee_set_msg_info - set buffer to message shared memref.
+ * @data:     normal world data used to init optee shared memory
+ * @buf:      normal world buffer address
+ * @buf_size: buf size
+ */
+void mtk_vcodec_dec_optee_set_msg_info(struct mtk_vdec_optee_data_to_shm *data,
+                                      void *buf, int buf_size);
+
+/**
+ * mtk_vcodec_dec_optee_set_data - set buffer to data shared memref.
+ * @data:       normal world data used to init optee shared memory
+ * @vcodec_dev: pointer to the mtk_vcodec_dec_dev of the device
+ * @hw_id:      hardware index
+ */
+void mtk_vcodec_dec_optee_set_data_info(struct mtk_vdec_optee_data_to_shm 
*data,
+                                       struct mtk_vcodec_dec_dev *vcodec_dev,
+                                       int hw_id);
+
+/**
+ * mtk_vcodec_dec_optee_invokd_cmd - send share memory data to optee.
+ * @vcodec_dev: pointer to the mtk_vcodec_dec_dev of the device
+ * @hw_id:      hardware index
+ * @data:       normal world data used to init optee share memory
+ */
+int mtk_vcodec_dec_optee_invokd_cmd(struct mtk_vcodec_dec_dev *vcodec_dev,
+                                   enum mtk_vdec_hw_id hw_id,
+                                   struct mtk_vdec_optee_data_to_shm *data);
+
+/**
+ * mtk_vcodec_dec_get_shm_buffer_va - get the shared memory virtual address
+ * @vcodec_dev: pointer to the mtk_vcodec_dec_dev of the device
+ * @hw_id:      hardware index
+ * @data_index: indentify each share memory informaiton
+ */
+void *mtk_vcodec_dec_get_shm_buffer_va(struct mtk_vcodec_dec_dev *vcodec_dev,
+                                      enum mtk_vdec_hw_id hw_id,
+                                      enum mtk_vdec_optee_data_index 
data_index);
+
 #else
 
 static inline int mtk_vcodec_dec_optee_open(struct mtk_vcodec_dec_dev 
*vcodec_dev)
@@ -119,6 +168,31 @@ static inline void mtk_vcodec_dec_optee_close(struct 
mtk_vcodec_dec_dev *vcodec_
 {
 }
 
+static inline void mtk_vcodec_dec_optee_set_msg_info(struct 
mtk_vdec_optee_data_to_shm *data,
+                                                    void *buf, int buf_size)
+{
+}
+
+static inline void mtk_vcodec_dec_optee_set_data_info(struct 
mtk_vdec_optee_data_to_shm *data,
+                                                     struct mtk_vcodec_dec_dev 
*vcodec_dev,
+                                                     int hw_id)
+{
+}
+
+static inline int mtk_vcodec_dec_optee_invokd_cmd(struct mtk_vcodec_dec_dev 
*vcodec_dev,
+                                                 enum mtk_vdec_hw_id hw_id,
+                                                 struct 
mtk_vdec_optee_data_to_shm *data)
+{
+       return 0;
+}
+
+static inline void *mtk_vcodec_dec_get_shm_buffer_va(struct mtk_vcodec_dec_dev 
*vcodec_dev,
+                                                    enum mtk_vdec_hw_id hw_id,
+                                                    enum 
mtk_vdec_optee_data_index data_index)
+{
+       return NULL;
+}
+
 #endif /* CONFIG_VIDEO_MEDIATEK_VCODEC_TEE */
 
 #endif /* _MTK_VCODEC_DEC_OPTEE_H_ */
-- 
2.18.0

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