staging: fsl-mc: Added Freescale Management Complex APIs

APIs to access the Management Complex (MC) hardware
module of Freescale LS2 SoCs. This patch includes
APIs to check the MC firmware version and to manipulate
DPRC objects in the MC.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 913 insertions, 0 deletions

diff --git a/drivers/staging/fsl-mc/bus/dprc.c b/drivers/staging/fsl-mc/bus/dprc.c
new file mode 100644
index 000000000000..19b26e630b62
--- /dev/null
+++ b/drivers/staging/fsl-mc/bus/dprc.c
@@ -0,0 +1,913 @@
+/* Copyright 2013-2014 Freescale Semiconductor Inc.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* * Neither the name of the above-listed copyright holders nor the
+* names of any contributors may be used to endorse or promote products
+* derived from this software without specific prior written permission.
+*
+*
+* ALTERNATIVELY, this software may be distributed under the terms of the
+* GNU General Public License ("GPL") as published by the Free Software
+* Foundation, either version 2 of that License or (at your option) any
+* later version.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+*/
+#include "../include/mc-sys.h"
+#include "../include/mc-cmd.h"
+#include "../include/dprc.h"
+#include "dprc-cmd.h"
+
+int dprc_open(struct fsl_mc_io *mc_io, int container_id, uint16_t *token)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, MC_CMD_PRI_LOW,
+					  0);
+	cmd.params[0] |= mc_enc(0, 32, container_id);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
+
+	return 0;
+}
+EXPORT_SYMBOL(dprc_open);
+
+int dprc_close(struct fsl_mc_io *mc_io, uint16_t token)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLOSE, MC_CMD_PRI_HIGH,
+					  token);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+EXPORT_SYMBOL(dprc_close);
+
+int dprc_create_container(struct fsl_mc_io *mc_io,
+			  uint16_t token,
+			  struct dprc_cfg *cfg,
+			  int *child_container_id,
+			  uint64_t *child_portal_paddr)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.params[0] |= mc_enc(32, 16, cfg->icid);
+	cmd.params[0] |= mc_enc(0, 32, cfg->options);
+	cmd.params[1] |= mc_enc(32, 32, cfg->portal_id);
+
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CREATE_CONT,
+					  MC_CMD_PRI_LOW, token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*child_container_id = mc_dec(cmd.params[1], 0, 32);
+	*child_portal_paddr = mc_dec(cmd.params[2], 0, 64);
+
+	return 0;
+}
+
+int dprc_destroy_container(struct fsl_mc_io *mc_io,
+			   uint16_t token,
+			   int child_container_id)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_DESTROY_CONT,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, child_container_id);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_reset_container(struct fsl_mc_io *mc_io,
+			 uint16_t token,
+			 int child_container_id)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_RESET_CONT,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, child_container_id);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_irq(struct fsl_mc_io *mc_io,
+		 uint16_t token,
+		 uint8_t irq_index,
+		 int *type,
+		 uint64_t *irq_paddr,
+		 uint32_t *irq_val,
+		 int *user_irq_id)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*irq_val = mc_dec(cmd.params[0], 0, 32);
+	*irq_paddr = mc_dec(cmd.params[1], 0, 64);
+	*user_irq_id = mc_dec(cmd.params[2], 0, 32);
+	*type = mc_dec(cmd.params[2], 32, 32);
+
+	return 0;
+}
+
+int dprc_set_irq(struct fsl_mc_io *mc_io,
+		 uint16_t token,
+		 uint8_t irq_index,
+		 uint64_t irq_paddr,
+		 uint32_t irq_val,
+		 int user_irq_id)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+	cmd.params[0] |= mc_enc(0, 32, irq_val);
+	cmd.params[1] |= mc_enc(0, 64, irq_paddr);
+	cmd.params[2] |= mc_enc(0, 32, user_irq_id);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_irq_enable(struct fsl_mc_io *mc_io,
+			uint16_t token,
+			uint8_t irq_index,
+			uint8_t *en)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_ENABLE,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*en = mc_dec(cmd.params[0], 0, 8);
+
+	return 0;
+}
+
+int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
+			uint16_t token,
+			uint8_t irq_index,
+			uint8_t en)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_ENABLE,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 8, en);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_irq_mask(struct fsl_mc_io *mc_io,
+		      uint16_t token,
+		      uint8_t irq_index,
+		      uint32_t *mask)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_MASK,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*mask = mc_dec(cmd.params[0], 0, 32);
+
+	return 0;
+}
+
+int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
+		      uint16_t token,
+		      uint8_t irq_index,
+		      uint32_t mask)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_MASK,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, mask);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_irq_status(struct fsl_mc_io *mc_io,
+			uint16_t token,
+			uint8_t irq_index,
+			uint32_t *status)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_STATUS,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*status = mc_dec(cmd.params[0], 0, 32);
+
+	return 0;
+}
+
+int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
+			  uint16_t token,
+			  uint8_t irq_index,
+			  uint32_t status)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLEAR_IRQ_STATUS,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, status);
+	cmd.params[0] |= mc_enc(32, 8, irq_index);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_attributes(struct fsl_mc_io *mc_io,
+			uint16_t token,
+			struct dprc_attributes *attr)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_ATTR,
+					  MC_CMD_PRI_LOW,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	attr->container_id = mc_dec(cmd.params[0], 0, 32);
+	attr->icid = mc_dec(cmd.params[0], 32, 16);
+	attr->options = mc_dec(cmd.params[1], 0, 32);
+	attr->portal_id = mc_dec(cmd.params[1], 32, 32);
+	attr->version.major = mc_dec(cmd.params[2], 0, 16);
+	attr->version.minor = mc_dec(cmd.params[2], 16, 16);
+
+	return 0;
+}
+
+int dprc_set_res_quota(struct fsl_mc_io *mc_io,
+		       uint16_t token,
+		       int child_container_id,
+		       char *type,
+		       uint16_t quota)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_RES_QUOTA,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, child_container_id);
+	cmd.params[0] |= mc_enc(32, 16, quota);
+	cmd.params[1] |= mc_enc(0, 8, type[0]);
+	cmd.params[1] |= mc_enc(8, 8, type[1]);
+	cmd.params[1] |= mc_enc(16, 8, type[2]);
+	cmd.params[1] |= mc_enc(24, 8, type[3]);
+	cmd.params[1] |= mc_enc(32, 8, type[4]);
+	cmd.params[1] |= mc_enc(40, 8, type[5]);
+	cmd.params[1] |= mc_enc(48, 8, type[6]);
+	cmd.params[1] |= mc_enc(56, 8, type[7]);
+	cmd.params[2] |= mc_enc(0, 8, type[8]);
+	cmd.params[2] |= mc_enc(8, 8, type[9]);
+	cmd.params[2] |= mc_enc(16, 8, type[10]);
+	cmd.params[2] |= mc_enc(24, 8, type[11]);
+	cmd.params[2] |= mc_enc(32, 8, type[12]);
+	cmd.params[2] |= mc_enc(40, 8, type[13]);
+	cmd.params[2] |= mc_enc(48, 8, type[14]);
+	cmd.params[2] |= mc_enc(56, 8, '\0');
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_res_quota(struct fsl_mc_io *mc_io,
+		       uint16_t token,
+		       int child_container_id,
+		       char *type,
+		       uint16_t *quota)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_QUOTA,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, child_container_id);
+	cmd.params[1] |= mc_enc(0, 8, type[0]);
+	cmd.params[1] |= mc_enc(8, 8, type[1]);
+	cmd.params[1] |= mc_enc(16, 8, type[2]);
+	cmd.params[1] |= mc_enc(24, 8, type[3]);
+	cmd.params[1] |= mc_enc(32, 8, type[4]);
+	cmd.params[1] |= mc_enc(40, 8, type[5]);
+	cmd.params[1] |= mc_enc(48, 8, type[6]);
+	cmd.params[1] |= mc_enc(56, 8, type[7]);
+	cmd.params[2] |= mc_enc(0, 8, type[8]);
+	cmd.params[2] |= mc_enc(8, 8, type[9]);
+	cmd.params[2] |= mc_enc(16, 8, type[10]);
+	cmd.params[2] |= mc_enc(24, 8, type[11]);
+	cmd.params[2] |= mc_enc(32, 8, type[12]);
+	cmd.params[2] |= mc_enc(40, 8, type[13]);
+	cmd.params[2] |= mc_enc(48, 8, type[14]);
+	cmd.params[2] |= mc_enc(56, 8, '\0');
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*quota = mc_dec(cmd.params[0], 32, 16);
+
+	return 0;
+}
+
+int dprc_assign(struct fsl_mc_io *mc_io,
+		uint16_t token,
+		int container_id,
+		struct dprc_res_req *res_req)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_ASSIGN,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, container_id);
+	cmd.params[0] |= mc_enc(32, 32, res_req->options);
+	cmd.params[1] |= mc_enc(0, 32, res_req->num);
+	cmd.params[1] |= mc_enc(32, 32, res_req->id_base_align);
+	cmd.params[2] |= mc_enc(0, 8, res_req->type[0]);
+	cmd.params[2] |= mc_enc(8, 8, res_req->type[1]);
+	cmd.params[2] |= mc_enc(16, 8, res_req->type[2]);
+	cmd.params[2] |= mc_enc(24, 8, res_req->type[3]);
+	cmd.params[2] |= mc_enc(32, 8, res_req->type[4]);
+	cmd.params[2] |= mc_enc(40, 8, res_req->type[5]);
+	cmd.params[2] |= mc_enc(48, 8, res_req->type[6]);
+	cmd.params[2] |= mc_enc(56, 8, res_req->type[7]);
+	cmd.params[3] |= mc_enc(0, 8, res_req->type[8]);
+	cmd.params[3] |= mc_enc(8, 8, res_req->type[9]);
+	cmd.params[3] |= mc_enc(16, 8, res_req->type[10]);
+	cmd.params[3] |= mc_enc(24, 8, res_req->type[11]);
+	cmd.params[3] |= mc_enc(32, 8, res_req->type[12]);
+	cmd.params[3] |= mc_enc(40, 8, res_req->type[13]);
+	cmd.params[3] |= mc_enc(48, 8, res_req->type[14]);
+	cmd.params[3] |= mc_enc(56, 8, res_req->type[15]);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_unassign(struct fsl_mc_io *mc_io,
+		  uint16_t token,
+		  int child_container_id,
+		  struct dprc_res_req *res_req)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_UNASSIGN,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(0, 32, child_container_id);
+	cmd.params[0] |= mc_enc(32, 32, res_req->options);
+	cmd.params[1] |= mc_enc(0, 32, res_req->num);
+	cmd.params[1] |= mc_enc(32, 32, res_req->id_base_align);
+	cmd.params[2] |= mc_enc(0, 8, res_req->type[0]);
+	cmd.params[2] |= mc_enc(8, 8, res_req->type[1]);
+	cmd.params[2] |= mc_enc(16, 8, res_req->type[2]);
+	cmd.params[2] |= mc_enc(24, 8, res_req->type[3]);
+	cmd.params[2] |= mc_enc(32, 8, res_req->type[4]);
+	cmd.params[2] |= mc_enc(40, 8, res_req->type[5]);
+	cmd.params[2] |= mc_enc(48, 8, res_req->type[6]);
+	cmd.params[2] |= mc_enc(56, 8, res_req->type[7]);
+	cmd.params[3] |= mc_enc(0, 8, res_req->type[8]);
+	cmd.params[3] |= mc_enc(8, 8, res_req->type[9]);
+	cmd.params[3] |= mc_enc(16, 8, res_req->type[10]);
+	cmd.params[3] |= mc_enc(24, 8, res_req->type[11]);
+	cmd.params[3] |= mc_enc(32, 8, res_req->type[12]);
+	cmd.params[3] |= mc_enc(40, 8, res_req->type[13]);
+	cmd.params[3] |= mc_enc(48, 8, res_req->type[14]);
+	cmd.params[3] |= mc_enc(56, 8, res_req->type[15]);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_pool_count(struct fsl_mc_io *mc_io,
+			uint16_t token,
+			int *pool_count)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_POOL_COUNT,
+					  MC_CMD_PRI_LOW, token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*pool_count = mc_dec(cmd.params[0], 0, 32);
+
+	return 0;
+}
+
+int dprc_get_pool(struct fsl_mc_io *mc_io,
+		  uint16_t token,
+		  int pool_index,
+		  char *type)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_POOL,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(0, 32, pool_index);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	type[0] = mc_dec(cmd.params[1], 0, 8);
+	type[1] = mc_dec(cmd.params[1], 8, 8);
+	type[2] = mc_dec(cmd.params[1], 16, 8);
+	type[3] = mc_dec(cmd.params[1], 24, 8);
+	type[4] = mc_dec(cmd.params[1], 32, 8);
+	type[5] = mc_dec(cmd.params[1], 40, 8);
+	type[6] = mc_dec(cmd.params[1], 48, 8);
+	type[7] = mc_dec(cmd.params[1], 56, 8);
+	type[8] = mc_dec(cmd.params[2], 0, 8);
+	type[9] = mc_dec(cmd.params[2], 8, 8);
+	type[10] = mc_dec(cmd.params[2], 16, 8);
+	type[11] = mc_dec(cmd.params[2], 24, 8);
+	type[12] = mc_dec(cmd.params[2], 32, 8);
+	type[13] = mc_dec(cmd.params[2], 40, 8);
+	type[14] = mc_dec(cmd.params[2], 48, 8);
+	type[15] = '\0';
+
+	return 0;
+}
+
+int dprc_get_obj_count(struct fsl_mc_io *mc_io, uint16_t token, int *obj_count)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_COUNT,
+					  MC_CMD_PRI_LOW, token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*obj_count = mc_dec(cmd.params[0], 32, 32);
+
+	return 0;
+}
+EXPORT_SYMBOL(dprc_get_obj_count);
+
+int dprc_get_obj(struct fsl_mc_io *mc_io,
+		 uint16_t token,
+		 int obj_index,
+		 struct dprc_obj_desc *obj_desc)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(0, 32, obj_index);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	obj_desc->id = mc_dec(cmd.params[0], 32, 32);
+	obj_desc->vendor = mc_dec(cmd.params[1], 0, 16);
+	obj_desc->irq_count = mc_dec(cmd.params[1], 16, 8);
+	obj_desc->region_count = mc_dec(cmd.params[1], 24, 8);
+	obj_desc->state = mc_dec(cmd.params[1], 32, 32);
+	obj_desc->ver_major = mc_dec(cmd.params[2], 0, 16);
+	obj_desc->ver_minor = mc_dec(cmd.params[2], 16, 16);
+	obj_desc->type[0] = mc_dec(cmd.params[3], 0, 8);
+	obj_desc->type[1] = mc_dec(cmd.params[3], 8, 8);
+	obj_desc->type[2] = mc_dec(cmd.params[3], 16, 8);
+	obj_desc->type[3] = mc_dec(cmd.params[3], 24, 8);
+	obj_desc->type[4] = mc_dec(cmd.params[3], 32, 8);
+	obj_desc->type[5] = mc_dec(cmd.params[3], 40, 8);
+	obj_desc->type[6] = mc_dec(cmd.params[3], 48, 8);
+	obj_desc->type[7] = mc_dec(cmd.params[3], 56, 8);
+	obj_desc->type[8] = mc_dec(cmd.params[4], 0, 8);
+	obj_desc->type[9] = mc_dec(cmd.params[4], 8, 8);
+	obj_desc->type[10] = mc_dec(cmd.params[4], 16, 8);
+	obj_desc->type[11] = mc_dec(cmd.params[4], 24, 8);
+	obj_desc->type[12] = mc_dec(cmd.params[4], 32, 8);
+	obj_desc->type[13] = mc_dec(cmd.params[4], 40, 8);
+	obj_desc->type[14] = mc_dec(cmd.params[4], 48, 8);
+	obj_desc->type[15] = '\0';
+
+	return 0;
+}
+EXPORT_SYMBOL(dprc_get_obj);
+
+int dprc_get_res_count(struct fsl_mc_io *mc_io,
+		       uint16_t token,
+		       char *type,
+		       int *res_count)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	*res_count = 0;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_COUNT,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[1] |= mc_enc(0, 8, type[0]);
+	cmd.params[1] |= mc_enc(8, 8, type[1]);
+	cmd.params[1] |= mc_enc(16, 8, type[2]);
+	cmd.params[1] |= mc_enc(24, 8, type[3]);
+	cmd.params[1] |= mc_enc(32, 8, type[4]);
+	cmd.params[1] |= mc_enc(40, 8, type[5]);
+	cmd.params[1] |= mc_enc(48, 8, type[6]);
+	cmd.params[1] |= mc_enc(56, 8, type[7]);
+	cmd.params[2] |= mc_enc(0, 8, type[8]);
+	cmd.params[2] |= mc_enc(8, 8, type[9]);
+	cmd.params[2] |= mc_enc(16, 8, type[10]);
+	cmd.params[2] |= mc_enc(24, 8, type[11]);
+	cmd.params[2] |= mc_enc(32, 8, type[12]);
+	cmd.params[2] |= mc_enc(40, 8, type[13]);
+	cmd.params[2] |= mc_enc(48, 8, type[14]);
+	cmd.params[2] |= mc_enc(56, 8, '\0');
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*res_count = mc_dec(cmd.params[0], 0, 32);
+
+	return 0;
+}
+EXPORT_SYMBOL(dprc_get_res_count);
+
+int dprc_get_res_ids(struct fsl_mc_io *mc_io,
+		     uint16_t token,
+		     char *type,
+		     struct dprc_res_ids_range_desc *range_desc)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_IDS,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(42, 7, range_desc->iter_status);
+	cmd.params[1] |= mc_enc(0, 32, range_desc->base_id);
+	cmd.params[1] |= mc_enc(32, 32, range_desc->last_id);
+	cmd.params[2] |= mc_enc(0, 8, type[0]);
+	cmd.params[2] |= mc_enc(8, 8, type[1]);
+	cmd.params[2] |= mc_enc(16, 8, type[2]);
+	cmd.params[2] |= mc_enc(24, 8, type[3]);
+	cmd.params[2] |= mc_enc(32, 8, type[4]);
+	cmd.params[2] |= mc_enc(40, 8, type[5]);
+	cmd.params[2] |= mc_enc(48, 8, type[6]);
+	cmd.params[2] |= mc_enc(56, 8, type[7]);
+	cmd.params[3] |= mc_enc(0, 8, type[8]);
+	cmd.params[3] |= mc_enc(8, 8, type[9]);
+	cmd.params[3] |= mc_enc(16, 8, type[10]);
+	cmd.params[3] |= mc_enc(24, 8, type[11]);
+	cmd.params[3] |= mc_enc(32, 8, type[12]);
+	cmd.params[3] |= mc_enc(40, 8, type[13]);
+	cmd.params[3] |= mc_enc(48, 8, type[14]);
+	cmd.params[3] |= mc_enc(56, 8, '\0');
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	range_desc->iter_status = mc_dec(cmd.params[0], 42, 7);
+	range_desc->base_id = mc_dec(cmd.params[1], 0, 32);
+	range_desc->last_id = mc_dec(cmd.params[1], 32, 32);
+
+	return 0;
+}
+EXPORT_SYMBOL(dprc_get_res_ids);
+
+int dprc_get_portal_paddr(struct fsl_mc_io *mc_io,
+			  uint16_t token,
+			  int portal_id,
+			  uint64_t *portal_addr)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_PORTAL_PADDR,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, portal_id);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*portal_addr = mc_dec(cmd.params[1], 0, 64);
+
+	return 0;
+}
+EXPORT_SYMBOL(dprc_get_portal_paddr);
+
+int dprc_get_obj_region(struct fsl_mc_io *mc_io,
+			uint16_t token,
+			char *obj_type,
+			int obj_id,
+			uint8_t region_index,
+			struct dprc_region_desc *region_desc)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG,
+					  MC_CMD_PRI_LOW, token);
+	cmd.params[0] |= mc_enc(0, 32, obj_id);
+	cmd.params[0] |= mc_enc(48, 8, region_index);
+	cmd.params[3] |= mc_enc(0, 8, obj_type[0]);
+	cmd.params[3] |= mc_enc(8, 8, obj_type[1]);
+	cmd.params[3] |= mc_enc(16, 8, obj_type[2]);
+	cmd.params[3] |= mc_enc(24, 8, obj_type[3]);
+	cmd.params[3] |= mc_enc(32, 8, obj_type[4]);
+	cmd.params[3] |= mc_enc(40, 8, obj_type[5]);
+	cmd.params[3] |= mc_enc(48, 8, obj_type[6]);
+	cmd.params[3] |= mc_enc(56, 8, obj_type[7]);
+	cmd.params[4] |= mc_enc(0, 8, obj_type[8]);
+	cmd.params[4] |= mc_enc(8, 8, obj_type[9]);
+	cmd.params[4] |= mc_enc(16, 8, obj_type[10]);
+	cmd.params[4] |= mc_enc(24, 8, obj_type[11]);
+	cmd.params[4] |= mc_enc(32, 8, obj_type[12]);
+	cmd.params[4] |= mc_enc(40, 8, obj_type[13]);
+	cmd.params[4] |= mc_enc(48, 8, obj_type[14]);
+	cmd.params[4] |= mc_enc(56, 8, '\0');
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	region_desc->base_paddr = mc_dec(cmd.params[1], 0, 64);
+	region_desc->size = mc_dec(cmd.params[2], 0, 32);
+
+	return 0;
+}
+EXPORT_SYMBOL(dprc_get_obj_region);
+
+int dprc_connect(struct fsl_mc_io *mc_io,
+		 uint16_t token,
+		 const struct dprc_endpoint *endpoint1,
+		 const struct dprc_endpoint *endpoint2)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CONNECT,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(0, 32, endpoint1->id);
+	cmd.params[0] |= mc_enc(32, 32, endpoint1->interface_id);
+	cmd.params[1] |= mc_enc(0, 32, endpoint2->id);
+	cmd.params[1] |= mc_enc(32, 32, endpoint2->interface_id);
+	cmd.params[2] |= mc_enc(0, 8, endpoint1->type[0]);
+	cmd.params[2] |= mc_enc(8, 8, endpoint1->type[1]);
+	cmd.params[2] |= mc_enc(16, 8, endpoint1->type[2]);
+	cmd.params[2] |= mc_enc(24, 8, endpoint1->type[3]);
+	cmd.params[2] |= mc_enc(32, 8, endpoint1->type[4]);
+	cmd.params[2] |= mc_enc(40, 8, endpoint1->type[5]);
+	cmd.params[2] |= mc_enc(48, 8, endpoint1->type[6]);
+	cmd.params[2] |= mc_enc(56, 8, endpoint1->type[7]);
+	cmd.params[3] |= mc_enc(0, 8, endpoint1->type[8]);
+	cmd.params[3] |= mc_enc(8, 8, endpoint1->type[9]);
+	cmd.params[3] |= mc_enc(16, 8, endpoint1->type[10]);
+	cmd.params[3] |= mc_enc(24, 8, endpoint1->type[11]);
+	cmd.params[3] |= mc_enc(32, 8, endpoint1->type[12]);
+	cmd.params[3] |= mc_enc(40, 8, endpoint1->type[13]);
+	cmd.params[3] |= mc_enc(48, 8, endpoint1->type[14]);
+	cmd.params[3] |= mc_enc(56, 8, endpoint1->type[15]);
+	cmd.params[5] |= mc_enc(0, 8, endpoint2->type[0]);
+	cmd.params[5] |= mc_enc(8, 8, endpoint2->type[1]);
+	cmd.params[5] |= mc_enc(16, 8, endpoint2->type[2]);
+	cmd.params[5] |= mc_enc(24, 8, endpoint2->type[3]);
+	cmd.params[5] |= mc_enc(32, 8, endpoint2->type[4]);
+	cmd.params[5] |= mc_enc(40, 8, endpoint2->type[5]);
+	cmd.params[5] |= mc_enc(48, 8, endpoint2->type[6]);
+	cmd.params[5] |= mc_enc(56, 8, endpoint2->type[7]);
+	cmd.params[6] |= mc_enc(0, 8, endpoint2->type[8]);
+	cmd.params[6] |= mc_enc(8, 8, endpoint2->type[9]);
+	cmd.params[6] |= mc_enc(16, 8, endpoint2->type[10]);
+	cmd.params[6] |= mc_enc(24, 8, endpoint2->type[11]);
+	cmd.params[6] |= mc_enc(32, 8, endpoint2->type[12]);
+	cmd.params[6] |= mc_enc(40, 8, endpoint2->type[13]);
+	cmd.params[6] |= mc_enc(48, 8, endpoint2->type[14]);
+	cmd.params[6] |= mc_enc(56, 8, endpoint2->type[15]);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_disconnect(struct fsl_mc_io *mc_io,
+		    uint16_t token,
+		    const struct dprc_endpoint *endpoint)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_DISCONNECT,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(0, 32, endpoint->id);
+	cmd.params[0] |= mc_enc(32, 32, endpoint->interface_id);
+	cmd.params[1] |= mc_enc(0, 8, endpoint->type[0]);
+	cmd.params[1] |= mc_enc(8, 8, endpoint->type[1]);
+	cmd.params[1] |= mc_enc(16, 8, endpoint->type[2]);
+	cmd.params[1] |= mc_enc(24, 8, endpoint->type[3]);
+	cmd.params[1] |= mc_enc(32, 8, endpoint->type[4]);
+	cmd.params[1] |= mc_enc(40, 8, endpoint->type[5]);
+	cmd.params[1] |= mc_enc(48, 8, endpoint->type[6]);
+	cmd.params[1] |= mc_enc(56, 8, endpoint->type[7]);
+	cmd.params[2] |= mc_enc(0, 8, endpoint->type[8]);
+	cmd.params[2] |= mc_enc(8, 8, endpoint->type[9]);
+	cmd.params[2] |= mc_enc(16, 8, endpoint->type[10]);
+	cmd.params[2] |= mc_enc(24, 8, endpoint->type[11]);
+	cmd.params[2] |= mc_enc(32, 8, endpoint->type[12]);
+	cmd.params[2] |= mc_enc(40, 8, endpoint->type[13]);
+	cmd.params[2] |= mc_enc(48, 8, endpoint->type[14]);
+	cmd.params[2] |= mc_enc(56, 8, endpoint->type[15]);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dprc_get_connection(struct fsl_mc_io *mc_io,
+			uint16_t token,
+					const struct dprc_endpoint *endpoint1,
+					struct dprc_endpoint *endpoint2,
+					int *state)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONNECTION,
+					  MC_CMD_PRI_LOW,
+					  token);
+	cmd.params[0] |= mc_enc(0, 32, endpoint1->id);
+	cmd.params[0] |= mc_enc(32, 32, endpoint1->interface_id);
+	cmd.params[1] |= mc_enc(0, 8, endpoint1->type[0]);
+	cmd.params[1] |= mc_enc(8, 8, endpoint1->type[1]);
+	cmd.params[1] |= mc_enc(16, 8, endpoint1->type[2]);
+	cmd.params[1] |= mc_enc(24, 8, endpoint1->type[3]);
+	cmd.params[1] |= mc_enc(32, 8, endpoint1->type[4]);
+	cmd.params[1] |= mc_enc(40, 8, endpoint1->type[5]);
+	cmd.params[1] |= mc_enc(48, 8, endpoint1->type[6]);
+	cmd.params[1] |= mc_enc(56, 8, endpoint1->type[7]);
+	cmd.params[2] |= mc_enc(0, 8, endpoint1->type[8]);
+	cmd.params[2] |= mc_enc(8, 8, endpoint1->type[9]);
+	cmd.params[2] |= mc_enc(16, 8, endpoint1->type[10]);
+	cmd.params[2] |= mc_enc(24, 8, endpoint1->type[11]);
+	cmd.params[2] |= mc_enc(32, 8, endpoint1->type[12]);
+	cmd.params[2] |= mc_enc(40, 8, endpoint1->type[13]);
+	cmd.params[2] |= mc_enc(48, 8, endpoint1->type[14]);
+	cmd.params[2] |= mc_enc(56, 8, endpoint1->type[15]);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	endpoint2->id = mc_dec(cmd.params[3], 0, 32);
+	endpoint2->interface_id = mc_dec(cmd.params[3], 32, 32);
+	endpoint2->type[0] = mc_dec(cmd.params[4], 0, 8);
+	endpoint2->type[1] = mc_dec(cmd.params[4], 8, 8);
+	endpoint2->type[2] = mc_dec(cmd.params[4], 16, 8);
+	endpoint2->type[3] = mc_dec(cmd.params[4], 24, 8);
+	endpoint2->type[4] = mc_dec(cmd.params[4], 32, 8);
+	endpoint2->type[5] = mc_dec(cmd.params[4], 40, 8);
+	endpoint2->type[6] = mc_dec(cmd.params[4], 48, 8);
+	endpoint2->type[7] = mc_dec(cmd.params[4], 56, 8);
+	endpoint2->type[8] = mc_dec(cmd.params[5], 0, 8);
+	endpoint2->type[9] = mc_dec(cmd.params[5], 8, 8);
+	endpoint2->type[10] = mc_dec(cmd.params[5], 16, 8);
+	endpoint2->type[11] = mc_dec(cmd.params[5], 24, 8);
+	endpoint2->type[12] = mc_dec(cmd.params[5], 32, 8);
+	endpoint2->type[13] = mc_dec(cmd.params[5], 40, 8);
+	endpoint2->type[14] = mc_dec(cmd.params[5], 48, 8);
+	endpoint2->type[15] = mc_dec(cmd.params[5], 56, 8);
+	*state = mc_dec(cmd.params[6], 0, 32);
+
+	return 0;
+}