int altek6045_exec_cmd(const hwextisp_intf_t* i, hwcam_config_data_t *data)
{
int rc = 0;
u8 *in_buf = NULL, *out_buf = NULL;
u32 opcode, dir_type, block_response, out_len, in_len;
bool out_to_block;
cam_notice("enter %s cmd=0x%x.", __func__, data->cmd);
dir_type = data->cmd & EXTISP_CMD_DIR_FLAG_MASK;
block_response = data->cmd & EXTISP_CMD_RESP_FLAG_MASK;
out_len = in_len = (data->cmd & EXTISP_CMD_LEN_MASK)>>EXTISP_CMD_LEN_SHIT;
opcode = (data->cmd & EXTISP_CMD_OPCODE_MASK)>>EXTISP_CMD_OPCODE_SHIT;
out_buf = in_buf = data->u.buf;
out_to_block = (EXTISP_BLOCK_RESPONSE_CMD == block_response)? true: false;
/* allocate kernel buf: override out_buf out_len*/
if (out_to_block) {
out_len = data->ext_buf.user_buf_len;
if (out_len > 4096) {
cam_err("%s invalid ext_buf_len=%d", __func__, out_len);
return -EINVAL;
}
out_buf = kmalloc(out_len, GFP_KERNEL);
if (NULL == out_buf) {
cam_err("%s kmalloc failed", __func__);
return -ENOMEM;;
}
}
if (EXTISP_INOUT_CMD == dir_type) {
rc = misp_exec_bidir_cmd((u16)opcode, data->u.buf, in_len,
out_to_block, out_buf, out_len);
} else if (EXTISP_SET_CMD == dir_type) {
rc = misp_exec_unidir_cmd((u16)opcode, true,
out_to_block, in_buf, in_len);
} else if (EXTISP_GET_CMD == dir_type) {
rc = misp_exec_unidir_cmd((u16)opcode, false,
out_to_block, out_buf, out_len);
} else {
cam_err("%s unkown cmd direction", __func__);
rc = -EINVAL;
}
/* reclaimed kernel buf*/
if (out_to_block) {
if (copy_to_user(data->ext_buf.user_buf_ptr, out_buf, out_len)) {
cam_err("%s copy to user failed", __func__);
rc = -EFAULT;
}
kfree(out_buf);
}
return rc;
}
int altek6045_exec_cmd(const hwextisp_intf_t* i, hwextisp_config_data_t *data)
{
int rc = 0;
u8 *in_buf = NULL, *out_buf = NULL;
u32 opcode, dir_type, block_response, out_len, in_len, bulk_len;
bool out_to_block, out_from_block;
if (get_boot_into_recovery_flag()||(misp_cmd_filter==1)) {
cam_info("%s cmd=0x%x is blocked", __func__, data->cmd);
return 0;
}
if(((data->cmd & 0x0000FFFF )!= 0x2106)&&((data->cmd & 0x0000FFFF )!= 0x2105))
cam_info("%s cmd=0x%x", __func__, data->cmd);
dir_type = (data->cmd & EXTISP_CMD_DIR_FLAG_MASK)>>EXTISP_CMD_DIR_FLAG_SHIT;
block_response = (data->cmd & EXTISP_CMD_RESP_FLAG_MASK)>>EXTISP_CMD_RESP_FLAG_SHIT;
out_len = (data->cmd & EXTISP_CMD_OUT_LEN_MASK)>>EXTISP_CMD_OUT_LEN_SHIT;
in_len = (data->cmd & EXTISP_CMD_IN_LEN_MASK)>>EXTISP_CMD_IN_LEN_SHIT;
opcode = (data->cmd & EXTISP_CMD_OPCODE_MASK)>>EXTISP_CMD_OPCODE_SHIT;
out_buf = in_buf = data->u.buf;
out_to_block = (EXTISP_BLOCK_RESPONSE_CMD == block_response)? true: false;
out_from_block = (EXTISP_BLOCK_WRITE_CMD == block_response) ? true : false;
/* allocate kernel buf: override out_buf out_len*/
if (out_to_block) {
out_len = data->ext_buf.user_buf_len;
if (out_len > 4096) {
cam_err("%s invalid ext_buf_len=%d", __func__, out_len);
return -EINVAL;
}
out_buf = kmalloc(out_len, GFP_KERNEL);
if (NULL == out_buf) {
cam_err("%s kmalloc failed", __func__);
return -ENOMEM;;
}
memset(out_buf,0,out_len);
}
if(out_from_block) {
bulk_len = data->ext_buf.user_buf_len;
out_buf = kmalloc(bulk_len, GFP_KERNEL);
if(copy_from_user(out_buf, data->ext_buf.user_buf_ptr, bulk_len)) {
cam_err("%s copy from user failed", __func__);
rc = -EFAULT;
}
}
if (EXTISP_INOUT_CMD == dir_type) {
if(out_from_block) {
rc = misp_exec_write_block_res((u16)opcode, in_buf, in_len,
out_to_block, out_buf,bulk_len, out_len);
} else {
rc = misp_exec_bidir_cmd((u16)opcode, data->u.buf, in_len,
out_to_block, out_buf, out_len);
}
} else if (EXTISP_SET_CMD == dir_type) {
if(out_from_block) {
rc = misp_exec_write_block((u16)opcode, in_buf, in_len, out_buf, bulk_len);
} else {
rc = misp_exec_unidir_cmd((u16)opcode, true,
out_to_block, in_buf, in_len);
}
} else if (EXTISP_GET_CMD == dir_type) {
rc = misp_exec_unidir_cmd((u16)opcode, false,
out_to_block, out_buf, out_len);
} else {
cam_err("%s unkown cmd direction", __func__);
rc = -EINVAL;
}
/* reclaimed kernel buf*/
if (out_to_block) {
if (copy_to_user(data->ext_buf.user_buf_ptr, out_buf, out_len)) {
cam_err("%s copy to user failed", __func__);
rc = -EFAULT;
}
kfree(out_buf);
out_buf = NULL;
}
if(out_from_block) {
if(out_buf) {
kfree(out_buf);
}
}
out_buf = NULL;
return rc;
}
