From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 drivers/staging/fsl-mc/bus/dprc.c | 913 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 913 insertions(+)
 create mode 100644 drivers/staging/fsl-mc/bus/dprc.c

(limited to 'drivers/staging/fsl-mc/bus/dprc.c')

diff --git a/drivers/staging/fsl-mc/bus/dprc.c b/drivers/staging/fsl-mc/bus/dprc.c
new file mode 100644
index 000000000..19b26e630
--- /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;
+}
-- 
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