| /* Copyright 2013-2016 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. |
| */ |
| #ifndef __FSL_DPCON_H |
| #define __FSL_DPCON_H |
| |
| /* Data Path Concentrator API |
| * Contains initialization APIs and runtime control APIs for DPCON |
| */ |
| |
| struct fsl_mc_io; |
| |
| /** General DPCON macros */ |
| |
| /** |
| * Use it to disable notifications; see dpcon_set_notification() |
| */ |
| #define DPCON_INVALID_DPIO_ID (int)(-1) |
| |
| int dpcon_open(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| int dpcon_id, |
| u16 *token); |
| |
| int dpcon_close(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| int dpcon_enable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| int dpcon_disable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| int dpcon_is_enabled(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| int *en); |
| |
| int dpcon_reset(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| /** |
| * struct dpcon_attr - Structure representing DPCON attributes |
| * @id: DPCON object ID |
| * @qbman_ch_id: Channel ID to be used by dequeue operation |
| * @num_priorities: Number of priorities for the DPCON channel (1-8) |
| */ |
| struct dpcon_attr { |
| int id; |
| u16 qbman_ch_id; |
| u8 num_priorities; |
| }; |
| |
| int dpcon_get_attributes(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| struct dpcon_attr *attr); |
| |
| /** |
| * struct dpcon_notification_cfg - Structure representing notification params |
| * @dpio_id: DPIO object ID; must be configured with a notification channel; |
| * to disable notifications set it to 'DPCON_INVALID_DPIO_ID'; |
| * @priority: Priority selection within the DPIO channel; valid values |
| * are 0-7, depending on the number of priorities in that channel |
| * @user_ctx: User context value provided with each CDAN message |
| */ |
| struct dpcon_notification_cfg { |
| int dpio_id; |
| u8 priority; |
| u64 user_ctx; |
| }; |
| |
| int dpcon_set_notification(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| struct dpcon_notification_cfg *cfg); |
| |
| int dpcon_get_api_version(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 *major_ver, |
| u16 *minor_ver); |
| |
| #endif /* __FSL_DPCON_H */ |