Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / fsl-mc / bus / dpmng.c

diff --git a/kernel/drivers/staging/fsl-mc/bus/dpmng.c b/kernel/drivers/staging/fsl-mc/bus/dpmng.c
new file mode 100644 (file)
index 0000000..58328e8
--- /dev/null
+++ b/kernel/drivers/staging/fsl-mc/bus/dpmng.c
@@ -0,0 +1,78 @@
+/* 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/dpmng.h"
+#include "dpmng-cmd.h"
+
+int mc_get_version(struct fsl_mc_io *mc_io, struct mc_version *mc_ver_info)
+{
+       struct mc_command cmd = { 0 };
+       int err;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION,
+                                         MC_CMD_PRI_LOW, 0);
+
+       /* send command to mc*/
+       err = mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       /* retrieve response parameters */
+       mc_ver_info->revision = mc_dec(cmd.params[0], 0, 32);
+       mc_ver_info->major = mc_dec(cmd.params[0], 32, 32);
+       mc_ver_info->minor = mc_dec(cmd.params[1], 0, 32);
+
+       return 0;
+}
+
+int dpmng_get_container_id(struct fsl_mc_io *mc_io, int *container_id)
+{
+       struct mc_command cmd = { 0 };
+       int err;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_CONT_ID,
+                                         MC_CMD_PRI_LOW, 0);
+
+       /* send command to mc*/
+       err = mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       /* retrieve response parameters */
+       *container_id = mc_dec(cmd.params[0], 0, 32);
+
+       return 0;
+}
+