projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 7afa232e TS |
1 | /* |
| 2 | This file is provided under a dual BSD/GPLv2 license. When using or | |
| 3 | redistributing this file, you may do so under either license. | |
| 4 | ||
| 5 | GPL LICENSE SUMMARY | |
| 6 | Copyright(c) 2014 Intel Corporation. | |
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of version 2 of the GNU General Public License as | |
| 9 | published by the Free Software Foundation. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, but | |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | General Public License for more details. | |
| 15 | ||
| 16 | Contact Information: | |
| 17 | qat-linux@intel.com | |
| 18 | ||
| 19 | BSD LICENSE | |
| 20 | Copyright(c) 2014 Intel Corporation. | |
| 21 | Redistribution and use in source and binary forms, with or without | |
| 22 | modification, are permitted provided that the following conditions | |
| 23 | are met: | |
| 24 | ||
| 25 | * Redistributions of source code must retain the above copyright | |
| 26 | notice, this list of conditions and the following disclaimer. | |
| 27 | * Redistributions in binary form must reproduce the above copyright | |
| 28 | notice, this list of conditions and the following disclaimer in | |
| 29 | the documentation and/or other materials provided with the | |
| 30 | distribution. | |
| 31 | * Neither the name of Intel Corporation nor the names of its | |
| 32 | contributors may be used to endorse or promote products derived | |
| 33 | from this software without specific prior written permission. | |
| 34 | ||
| 35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 46 | */ | |
| 47 | #include <linux/types.h> | |
| 48 | #include <linux/mutex.h> | |
| 49 | #include <linux/slab.h> | |
| 50 | #include <linux/delay.h> | |
| 51 | #include <linux/pci.h> | |
| 52 | #include <linux/dma-mapping.h> | |
| a5733139 | 53 | #include "adf_accel_devices.h" |
| 1a72d3a6 | 54 | #include "adf_common_drv.h" |
| a5733139 TS |
55 | #include "icp_qat_fw_init_admin.h" |
| 56 | ||
| 57 | /* Admin Messages Registers */ | |
| 58 | #define ADF_DH895XCC_ADMINMSGUR_OFFSET (0x3A000 + 0x574) | |
| 59 | #define ADF_DH895XCC_ADMINMSGLR_OFFSET (0x3A000 + 0x578) | |
| 60 | #define ADF_DH895XCC_MAILBOX_BASE_OFFSET 0x20970 | |
| 61 | #define ADF_DH895XCC_MAILBOX_STRIDE 0x1000 | |
| 7afa232e TS |
62 | #define ADF_ADMINMSG_LEN 32 |
| 63 | ||
| 89c07b8a TS |
64 | static const u8 const_tab[1024] = { |
| 65 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 66 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 67 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 68 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 69 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 70 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 71 | 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, | |
| 72 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 73 | 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, | |
| 74 | 0x00, 0x00, 0x00, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, | |
| 75 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 76 | 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x02, 0x00, 0x00, | |
| 77 | 0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, | |
| 78 | 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 79 | 0x00, 0x00, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, | |
| 80 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 81 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 82 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 83 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 84 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 85 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 86 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 87 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, | |
| 88 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 89 | 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, | |
| 90 | 0x54, 0x32, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 91 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x45, 0x23, 0x01, 0xef, 0xcd, 0xab, | |
| 92 | 0x89, 0x98, 0xba, 0xdc, 0xfe, 0x10, 0x32, 0x54, 0x76, 0xc3, 0xd2, 0xe1, 0xf0, | |
| 93 | 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 94 | 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 95 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc1, 0x05, 0x9e, | |
| 96 | 0xd8, 0x36, 0x7c, 0xd5, 0x07, 0x30, 0x70, 0xdd, 0x17, 0xf7, 0x0e, 0x59, 0x39, | |
| 97 | 0xff, 0xc0, 0x0b, 0x31, 0x68, 0x58, 0x15, 0x11, 0x64, 0xf9, 0x8f, 0xa7, 0xbe, | |
| 98 | 0xfa, 0x4f, 0xa4, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 99 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xbb, 0x67, 0xae, | |
| 100 | 0x85, 0x3c, 0x6e, 0xf3, 0x72, 0xa5, 0x4f, 0xf5, 0x3a, 0x51, 0x0e, 0x52, 0x7f, | |
| 101 | 0x9b, 0x05, 0x68, 0x8c, 0x1f, 0x83, 0xd9, 0xab, 0x5b, 0xe0, 0xcd, 0x19, 0x05, | |
| 102 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 103 | 0x00, 0x00, 0xcb, 0xbb, 0x9d, 0x5d, 0xc1, 0x05, 0x9e, 0xd8, 0x62, 0x9a, 0x29, | |
| 104 | 0x2a, 0x36, 0x7c, 0xd5, 0x07, 0x91, 0x59, 0x01, 0x5a, 0x30, 0x70, 0xdd, 0x17, | |
| 105 | 0x15, 0x2f, 0xec, 0xd8, 0xf7, 0x0e, 0x59, 0x39, 0x67, 0x33, 0x26, 0x67, 0xff, | |
| 106 | 0xc0, 0x0b, 0x31, 0x8e, 0xb4, 0x4a, 0x87, 0x68, 0x58, 0x15, 0x11, 0xdb, 0x0c, | |
| 107 | 0x2e, 0x0d, 0x64, 0xf9, 0x8f, 0xa7, 0x47, 0xb5, 0x48, 0x1d, 0xbe, 0xfa, 0x4f, | |
| 108 | 0xa4, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 109 | 0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xf3, 0xbc, 0xc9, 0x08, 0xbb, | |
| 110 | 0x67, 0xae, 0x85, 0x84, 0xca, 0xa7, 0x3b, 0x3c, 0x6e, 0xf3, 0x72, 0xfe, 0x94, | |
| 111 | 0xf8, 0x2b, 0xa5, 0x4f, 0xf5, 0x3a, 0x5f, 0x1d, 0x36, 0xf1, 0x51, 0x0e, 0x52, | |
| 112 | 0x7f, 0xad, 0xe6, 0x82, 0xd1, 0x9b, 0x05, 0x68, 0x8c, 0x2b, 0x3e, 0x6c, 0x1f, | |
| 113 | 0x1f, 0x83, 0xd9, 0xab, 0xfb, 0x41, 0xbd, 0x6b, 0x5b, 0xe0, 0xcd, 0x19, 0x13, | |
| 114 | 0x7e, 0x21, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 115 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 116 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 117 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 118 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 119 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 120 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 121 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 122 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 123 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 124 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 125 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 126 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 127 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 128 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 129 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 130 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 131 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 132 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 133 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 134 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 135 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 136 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 137 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 138 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 139 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 140 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 141 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 142 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
| 143 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; | |
| 144 | ||
| 7afa232e TS |
145 | struct adf_admin_comms { |
| 146 | dma_addr_t phy_addr; | |
| 89c07b8a | 147 | dma_addr_t const_tbl_addr; |
| 7afa232e TS |
148 | void *virt_addr; |
| 149 | void __iomem *mailbox_addr; | |
| 150 | struct mutex lock; /* protects adf_admin_comms struct */ | |
| 151 | }; | |
| 152 | ||
| a5733139 TS |
153 | static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae, |
| 154 | void *in, void *out) | |
| 7afa232e TS |
155 | { |
| 156 | struct adf_admin_comms *admin = accel_dev->admin; | |
| 157 | int offset = ae * ADF_ADMINMSG_LEN * 2; | |
| 158 | void __iomem *mailbox = admin->mailbox_addr; | |
| 159 | int mb_offset = ae * ADF_DH895XCC_MAILBOX_STRIDE; | |
| 160 | int times, received; | |
| 161 | ||
| 162 | mutex_lock(&admin->lock); | |
| 163 | ||
| 164 | if (ADF_CSR_RD(mailbox, mb_offset) == 1) { | |
| 165 | mutex_unlock(&admin->lock); | |
| 166 | return -EAGAIN; | |
| 167 | } | |
| 168 | ||
| 169 | memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN); | |
| 170 | ADF_CSR_WR(mailbox, mb_offset, 1); | |
| 171 | received = 0; | |
| 172 | for (times = 0; times < 50; times++) { | |
| 173 | msleep(20); | |
| 174 | if (ADF_CSR_RD(mailbox, mb_offset) == 0) { | |
| 175 | received = 1; | |
| 176 | break; | |
| 177 | } | |
| 178 | } | |
| 179 | if (received) | |
| 180 | memcpy(out, admin->virt_addr + offset + | |
| 181 | ADF_ADMINMSG_LEN, ADF_ADMINMSG_LEN); | |
| 182 | else | |
| 66550304 AB |
183 | dev_err(&GET_DEV(accel_dev), |
| 184 | "Failed to send admin msg to accelerator\n"); | |
| 7afa232e TS |
185 | |
| 186 | mutex_unlock(&admin->lock); | |
| 187 | return received ? 0 : -EFAULT; | |
| 188 | } | |
| 189 | ||
| a5733139 TS |
190 | static int adf_send_admin_cmd(struct adf_accel_dev *accel_dev, int cmd) |
| 191 | { | |
| 192 | struct adf_hw_device_data *hw_device = accel_dev->hw_device; | |
| 193 | struct icp_qat_fw_init_admin_req req; | |
| 194 | struct icp_qat_fw_init_admin_resp resp; | |
| 195 | int i; | |
| 196 | ||
| 197 | memset(&req, 0, sizeof(struct icp_qat_fw_init_admin_req)); | |
| 198 | req.init_admin_cmd_id = cmd; | |
| 89c07b8a TS |
199 | |
| 200 | if (cmd == ICP_QAT_FW_CONSTANTS_CFG) { | |
| 201 | req.init_cfg_sz = 1024; | |
| 202 | req.init_cfg_ptr = accel_dev->admin->const_tbl_addr; | |
| 203 | } | |
| a5733139 TS |
204 | for (i = 0; i < hw_device->get_num_aes(hw_device); i++) { |
| 205 | memset(&resp, 0, sizeof(struct icp_qat_fw_init_admin_resp)); | |
| 206 | if (adf_put_admin_msg_sync(accel_dev, i, &req, &resp) || | |
| 207 | resp.init_resp_hdr.status) | |
| 208 | return -EFAULT; | |
| 209 | } | |
| 210 | return 0; | |
| 211 | } | |
| 212 | ||
| 213 | /** | |
| 214 | * adf_send_admin_init() - Function sends init message to FW | |
| 215 | * @accel_dev: Pointer to acceleration device. | |
| 216 | * | |
| 217 | * Function sends admin init message to the FW | |
| 218 | * | |
| 219 | * Return: 0 on success, error code otherwise. | |
| 220 | */ | |
| 221 | int adf_send_admin_init(struct adf_accel_dev *accel_dev) | |
| 222 | { | |
| 89c07b8a TS |
223 | int ret = adf_send_admin_cmd(accel_dev, ICP_QAT_FW_INIT_ME); |
| 224 | ||
| 225 | if (ret) | |
| 226 | return ret; | |
| 227 | return adf_send_admin_cmd(accel_dev, ICP_QAT_FW_CONSTANTS_CFG); | |
| a5733139 TS |
228 | } |
| 229 | EXPORT_SYMBOL_GPL(adf_send_admin_init); | |
| 230 | ||
| 7afa232e TS |
231 | int adf_init_admin_comms(struct adf_accel_dev *accel_dev) |
| 232 | { | |
| 233 | struct adf_admin_comms *admin; | |
| a5733139 TS |
234 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; |
| 235 | struct adf_bar *pmisc = | |
| 236 | &GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)]; | |
| 7afa232e | 237 | void __iomem *csr = pmisc->virt_addr; |
| 1a72d3a6 TS |
238 | void __iomem *mailbox = (void __iomem *)((uintptr_t)csr + |
| 239 | ADF_DH895XCC_MAILBOX_BASE_OFFSET); | |
| a5733139 | 240 | u64 reg_val; |
| 7afa232e TS |
241 | |
| 242 | admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL, | |
| 09adc878 | 243 | dev_to_node(&GET_DEV(accel_dev))); |
| 7afa232e TS |
244 | if (!admin) |
| 245 | return -ENOMEM; | |
| 246 | admin->virt_addr = dma_zalloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE, | |
| 247 | &admin->phy_addr, GFP_KERNEL); | |
| 248 | if (!admin->virt_addr) { | |
| 249 | dev_err(&GET_DEV(accel_dev), "Failed to allocate dma buff\n"); | |
| 250 | kfree(admin); | |
| 251 | return -ENOMEM; | |
| 252 | } | |
| 89c07b8a TS |
253 | |
| 254 | admin->const_tbl_addr = dma_map_single(&GET_DEV(accel_dev), | |
| 255 | (void *) const_tab, 1024, | |
| 256 | DMA_TO_DEVICE); | |
| 257 | ||
| 258 | if (unlikely(dma_mapping_error(&GET_DEV(accel_dev), | |
| 259 | admin->const_tbl_addr))) { | |
| 260 | dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE, | |
| 261 | admin->virt_addr, admin->phy_addr); | |
| 262 | kfree(admin); | |
| 263 | return -ENOMEM; | |
| 264 | } | |
| a5733139 | 265 | reg_val = (u64)admin->phy_addr; |
| 7afa232e TS |
266 | ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGUR_OFFSET, reg_val >> 32); |
| 267 | ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGLR_OFFSET, reg_val); | |
| 268 | mutex_init(&admin->lock); | |
| 269 | admin->mailbox_addr = mailbox; | |
| 270 | accel_dev->admin = admin; | |
| 271 | return 0; | |
| 272 | } | |
| a5733139 | 273 | EXPORT_SYMBOL_GPL(adf_init_admin_comms); |
| 7afa232e TS |
274 | |
| 275 | void adf_exit_admin_comms(struct adf_accel_dev *accel_dev) | |
| 276 | { | |
| 277 | struct adf_admin_comms *admin = accel_dev->admin; | |
| 278 | ||
| 279 | if (!admin) | |
| 280 | return; | |
| 281 | ||
| 282 | if (admin->virt_addr) | |
| 283 | dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE, | |
| 284 | admin->virt_addr, admin->phy_addr); | |
| 285 | ||
| 89c07b8a TS |
286 | dma_unmap_single(&GET_DEV(accel_dev), admin->const_tbl_addr, 1024, |
| 287 | DMA_TO_DEVICE); | |
| 7afa232e TS |
288 | mutex_destroy(&admin->lock); |
| 289 | kfree(admin); | |
| 290 | accel_dev->admin = NULL; | |
| 291 | } | |
| a5733139 | 292 | EXPORT_SYMBOL_GPL(adf_exit_admin_comms); |