Пример #1
0
int iwm_target_reset(struct iwm_priv *iwm)
{
	struct iwm_udma_nonwifi_cmd target_cmd;

	target_cmd.opcode = UMAC_HDI_OUT_OPCODE_REBOOT;
	target_cmd.addr = 0;
	target_cmd.op1_sz = 0;
	target_cmd.op2 = 0;
	target_cmd.handle_by_hw = 0;
	target_cmd.resp = 0;
	target_cmd.eop = 1;

	return iwm_hal_send_target_cmd(iwm, &target_cmd, NULL);
}
Пример #2
0
static int iwm_load_firmware_chunk(struct iwm_priv *iwm,
				   const struct firmware *fw,
				   struct iwm_fw_img_desc *img_desc)
{
	struct iwm_udma_nonwifi_cmd target_cmd;
	u32 chunk_size;
	const u8 *chunk_ptr;
	int ret = 0;

	IWM_DBG_FW(iwm, INFO, "Loading FW chunk: %d bytes @ 0x%x\n",
		   img_desc->length, img_desc->address);

	target_cmd.opcode = UMAC_HDI_OUT_OPCODE_WRITE;
	target_cmd.handle_by_hw = 1;
	target_cmd.op2 = 0;
	target_cmd.resp = 0;
	target_cmd.eop = 1;

	chunk_size = img_desc->length;
	chunk_ptr = fw->data + img_desc->offset;

	while (chunk_size > 0) {
		u32 tmp_chunk_size;

		tmp_chunk_size = min_t(u32, chunk_size,
				       IWM_MAX_NONWIFI_CMD_BUFF_SIZE);

		target_cmd.addr = cpu_to_le32(img_desc->address +
				    (chunk_ptr - fw->data - img_desc->offset));
		target_cmd.op1_sz = cpu_to_le32(tmp_chunk_size);

		IWM_DBG_FW(iwm, DBG, "\t%d bytes @ 0x%x\n",
			   tmp_chunk_size, target_cmd.addr);

		ret = iwm_hal_send_target_cmd(iwm, &target_cmd, chunk_ptr);
		if (ret < 0) {
			IWM_ERR(iwm, "Couldn't load FW chunk\n");
			break;
		}

		chunk_size -= tmp_chunk_size;
		chunk_ptr += tmp_chunk_size;
	}

	return ret;
}
Пример #3
0
static int iwm_target_read(struct iwm_priv *iwm, __le32 address,
			   u8 *response, u32 resp_size)
{
	struct iwm_udma_nonwifi_cmd target_cmd;
	struct iwm_nonwifi_cmd *cmd;
	u16 seq_num;
	int ret = 0;

	target_cmd.opcode = UMAC_HDI_OUT_OPCODE_READ;
	target_cmd.addr = address;
	target_cmd.op1_sz = cpu_to_le32(resp_size);
	target_cmd.op2 = 0;
	target_cmd.handle_by_hw = 0;
	target_cmd.resp = 1;
	target_cmd.eop = 1;

	ret = iwm_hal_send_target_cmd(iwm, &target_cmd, NULL);
	if (ret < 0) {
		IWM_ERR(iwm, "Couldn't send READ command\n");
		return ret;
	}

	/*                                                                 */
	seq_num = ret;

	ret = wait_event_interruptible_timeout(iwm->nonwifi_queue,
		(cmd = iwm_get_pending_nonwifi_cmd(iwm, seq_num,
					  UMAC_HDI_OUT_OPCODE_READ)) != NULL,
					       2 * HZ);

	if (!ret) {
		IWM_ERR(iwm, "Didn't receive a target READ answer\n");
		return ret;
	}

	memcpy(response, cmd->buf.hdr + sizeof(struct iwm_udma_in_hdr),
	       resp_size);

	kfree(cmd);

	return 0;
}
Пример #4
0
static int iwm_load_umac(struct iwm_priv *iwm)
{
	struct iwm_udma_nonwifi_cmd target_cmd;
	int ret;

	ret = iwm_load_img(iwm, iwm->bus_ops->umac_name);
	if (ret < 0)
		return ret;

	
	target_cmd.opcode = UMAC_HDI_OUT_OPCODE_JUMP;
	target_cmd.addr = cpu_to_le32(UMAC_MU_FW_INST_DATA_12_ADDR);
	target_cmd.op1_sz = 0;
	target_cmd.op2 = 0;
	target_cmd.handle_by_hw = 0;
	target_cmd.resp = 1 ;
	target_cmd.eop = 1;

	ret = iwm_hal_send_target_cmd(iwm, &target_cmd, NULL);
	if (ret < 0)
		IWM_ERR(iwm, "Couldn't send JMP command\n");

	return ret;
}