| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ |
| 2 | /* |
| 3 | * Copyright 2013-2016 Freescale Semiconductor Inc. |
| 4 | * Copyright 2016 NXP |
| 5 | * |
| 6 | */ |
| 7 | #ifndef __FSL_DPIO_H |
| 8 | #define __FSL_DPIO_H |
| 9 | |
| 10 | struct fsl_mc_io; |
| 11 | |
| 12 | int dpio_open(struct fsl_mc_io *mc_io, |
| 13 | u32 cmd_flags, |
| 14 | int dpio_id, |
| 15 | u16 *token); |
| 16 | |
| 17 | int dpio_close(struct fsl_mc_io *mc_io, |
| 18 | u32 cmd_flags, |
| 19 | u16 token); |
| 20 | |
| 21 | /** |
| 22 | * enum dpio_channel_mode - DPIO notification channel mode |
| 23 | * @DPIO_NO_CHANNEL: No support for notification channel |
| 24 | * @DPIO_LOCAL_CHANNEL: Notifications on data availability can be received by a |
| 25 | * dedicated channel in the DPIO; user should point the queue's |
| 26 | * destination in the relevant interface to this DPIO |
| 27 | */ |
| 28 | enum dpio_channel_mode { |
| 29 | DPIO_NO_CHANNEL = 0, |
| 30 | DPIO_LOCAL_CHANNEL = 1, |
| 31 | }; |
| 32 | |
| 33 | /** |
| 34 | * struct dpio_cfg - Structure representing DPIO configuration |
| 35 | * @channel_mode: Notification channel mode |
| 36 | * @num_priorities: Number of priorities for the notification channel (1-8); |
| 37 | * relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL' |
| 38 | */ |
| 39 | struct dpio_cfg { |
| 40 | enum dpio_channel_mode channel_mode; |
| 41 | u8 num_priorities; |
| 42 | }; |
| 43 | |
| 44 | int dpio_enable(struct fsl_mc_io *mc_io, |
| 45 | u32 cmd_flags, |
| 46 | u16 token); |
| 47 | |
| 48 | int dpio_disable(struct fsl_mc_io *mc_io, |
| 49 | u32 cmd_flags, |
| 50 | u16 token); |
| 51 | |
| 52 | /** |
| 53 | * struct dpio_attr - Structure representing DPIO attributes |
| 54 | * @id: DPIO object ID |
| 55 | * @qbman_portal_ce_offset: offset of the software portal cache-enabled area |
| 56 | * @qbman_portal_ci_offset: offset of the software portal cache-inhibited area |
| 57 | * @qbman_portal_id: Software portal ID |
| 58 | * @channel_mode: Notification channel mode |
| 59 | * @num_priorities: Number of priorities for the notification channel (1-8); |
| 60 | * relevant only if 'channel_mode = DPIO_LOCAL_CHANNEL' |
| 61 | * @qbman_version: QBMAN version |
| 62 | */ |
| 63 | struct dpio_attr { |
| 64 | int id; |
| 65 | u64 qbman_portal_ce_offset; |
| 66 | u64 qbman_portal_ci_offset; |
| 67 | u16 qbman_portal_id; |
| 68 | enum dpio_channel_mode channel_mode; |
| 69 | u8 num_priorities; |
| 70 | u32 qbman_version; |
| 71 | }; |
| 72 | |
| 73 | int dpio_get_attributes(struct fsl_mc_io *mc_io, |
| 74 | u32 cmd_flags, |
| 75 | u16 token, |
| 76 | struct dpio_attr *attr); |
| 77 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 78 | int dpio_set_stashing_destination(struct fsl_mc_io *mc_io, |
| 79 | u32 cmd_flags, |
| 80 | u16 token, |
| 81 | u8 dest); |
| 82 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 83 | int dpio_get_api_version(struct fsl_mc_io *mc_io, |
| 84 | u32 cmd_flags, |
| 85 | u16 *major_ver, |
| 86 | u16 *minor_ver); |
| 87 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 88 | int dpio_reset(struct fsl_mc_io *mc_io, |
| 89 | u32 cmd_flags, |
| 90 | u16 token); |
| 91 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 92 | #endif /* __FSL_DPIO_H */ |