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author | 2017-05-16 14:51:32 +0200 | |
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committer | 2017-05-16 14:51:32 +0200 | |
commit | fca143f059a0bddd7d47b8dc2df646a891b0eb0f (patch) | |
tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/bus/fslmc/mc/dpbp.c | |
parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) |
Imported Upstream version 17.05
Diffstat (limited to 'drivers/bus/fslmc/mc/dpbp.c')
-rw-r--r-- | drivers/bus/fslmc/mc/dpbp.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/drivers/bus/fslmc/mc/dpbp.c b/drivers/bus/fslmc/mc/dpbp.c new file mode 100644 index 00000000..12f9180a --- /dev/null +++ b/drivers/bus/fslmc/mc/dpbp.c @@ -0,0 +1,261 @@ +/*- + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * BSD LICENSE + * + * Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright (c) 2016 NXP. + * + * 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. + * + * GPL LICENSE SUMMARY + * + * 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 <fsl_mc_sys.h> +#include <fsl_mc_cmd.h> +#include <fsl_dpbp.h> +#include <fsl_dpbp_cmd.h> + +int dpbp_open(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + int dpbp_id, + uint16_t *token) +{ + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_OPEN, + cmd_flags, + 0); + DPBP_CMD_OPEN(cmd, dpbp_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 err; +} + +int dpbp_close(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_CLOSE, cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +int dpbp_create(struct fsl_mc_io *mc_io, + uint16_t dprc_token, + uint32_t cmd_flags, + const struct dpbp_cfg *cfg, + uint32_t *obj_id) +{ + struct mc_command cmd = { 0 }; + int err; + + (void)(cfg); /* unused */ + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_CREATE, + cmd_flags, + dprc_token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id); + + return 0; +} + +int dpbp_destroy(struct fsl_mc_io *mc_io, + uint16_t dprc_token, + uint32_t cmd_flags, + uint32_t object_id) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_DESTROY, + cmd_flags, + dprc_token); + /* set object id to destroy */ + CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id); + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +int dpbp_enable(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_ENABLE, cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +int dpbp_disable(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_DISABLE, + cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +int dpbp_is_enabled(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int *en) +{ + struct mc_command cmd = { 0 }; + int err; + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_IS_ENABLED, cmd_flags, + token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + DPBP_RSP_IS_ENABLED(cmd, *en); + + return 0; +} + +int dpbp_reset(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token) +{ + struct mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_RESET, + cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} +int dpbp_get_attributes(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + struct dpbp_attr *attr) +{ + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_ATTR, + cmd_flags, + token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + DPBP_RSP_GET_ATTRIBUTES(cmd, attr); + + return 0; +} + + +int dpbp_get_api_version(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t *major_ver, + uint16_t *minor_ver) +{ + struct mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_API_VERSION, + cmd_flags, + 0); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + DPBP_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver); + + return 0; +} + +int dpbp_get_num_free_bufs(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + uint32_t *num_free_bufs) +{ + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_FREE_BUFFERS_NUM, + cmd_flags, + token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + DPBP_RSP_GET_NUM_FREE_BUFS(cmd, *num_free_bufs); + + return 0; +} |