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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 <adf_accel_devices.h> | |
48 | #include <adf_common_drv.h> | |
49 | #include <adf_pf2vf_msg.h> | |
50 | #include "adf_c62x_hw_data.h" | |
51 | ||
52 | /* Worker thread to service arbiter mappings based on dev SKUs */ | |
53 | static const u32 thrd_to_arb_map_8_me_sku[] = { | |
54 | 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, | |
55 | 0x11222AAA, 0x12222AAA, 0x11222AAA, 0, 0 | |
56 | }; | |
57 | ||
58 | static const u32 thrd_to_arb_map_10_me_sku[] = { | |
59 | 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, | |
60 | 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA | |
61 | }; | |
62 | ||
63 | static struct adf_hw_device_class c62x_class = { | |
64 | .name = ADF_C62X_DEVICE_NAME, | |
65 | .type = DEV_C62X, | |
66 | .instances = 0 | |
67 | }; | |
68 | ||
69 | static u32 get_accel_mask(u32 fuse) | |
70 | { | |
71 | return (~fuse) >> ADF_C62X_ACCELERATORS_REG_OFFSET & | |
72 | ADF_C62X_ACCELERATORS_MASK; | |
73 | } | |
74 | ||
75 | static u32 get_ae_mask(u32 fuse) | |
76 | { | |
77 | return (~fuse) & ADF_C62X_ACCELENGINES_MASK; | |
78 | } | |
79 | ||
80 | static u32 get_num_accels(struct adf_hw_device_data *self) | |
81 | { | |
82 | u32 i, ctr = 0; | |
83 | ||
84 | if (!self || !self->accel_mask) | |
85 | return 0; | |
86 | ||
87 | for (i = 0; i < ADF_C62X_MAX_ACCELERATORS; i++) { | |
88 | if (self->accel_mask & (1 << i)) | |
89 | ctr++; | |
90 | } | |
91 | return ctr; | |
92 | } | |
93 | ||
94 | static u32 get_num_aes(struct adf_hw_device_data *self) | |
95 | { | |
96 | u32 i, ctr = 0; | |
97 | ||
98 | if (!self || !self->ae_mask) | |
99 | return 0; | |
100 | ||
101 | for (i = 0; i < ADF_C62X_MAX_ACCELENGINES; i++) { | |
102 | if (self->ae_mask & (1 << i)) | |
103 | ctr++; | |
104 | } | |
105 | return ctr; | |
106 | } | |
107 | ||
108 | static u32 get_misc_bar_id(struct adf_hw_device_data *self) | |
109 | { | |
110 | return ADF_C62X_PMISC_BAR; | |
111 | } | |
112 | ||
113 | static u32 get_etr_bar_id(struct adf_hw_device_data *self) | |
114 | { | |
115 | return ADF_C62X_ETR_BAR; | |
116 | } | |
117 | ||
118 | static u32 get_sram_bar_id(struct adf_hw_device_data *self) | |
119 | { | |
120 | return ADF_C62X_SRAM_BAR; | |
121 | } | |
122 | ||
123 | static enum dev_sku_info get_sku(struct adf_hw_device_data *self) | |
124 | { | |
125 | int aes = get_num_aes(self); | |
126 | ||
127 | if (aes == 8) | |
128 | return DEV_SKU_2; | |
129 | else if (aes == 10) | |
130 | return DEV_SKU_4; | |
131 | ||
132 | return DEV_SKU_UNKNOWN; | |
133 | } | |
134 | ||
135 | static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev, | |
136 | u32 const **arb_map_config) | |
137 | { | |
138 | switch (accel_dev->accel_pci_dev.sku) { | |
139 | case DEV_SKU_2: | |
140 | *arb_map_config = thrd_to_arb_map_8_me_sku; | |
141 | break; | |
142 | case DEV_SKU_4: | |
143 | *arb_map_config = thrd_to_arb_map_10_me_sku; | |
144 | break; | |
145 | default: | |
146 | dev_err(&GET_DEV(accel_dev), | |
147 | "The configuration doesn't match any SKU"); | |
148 | *arb_map_config = NULL; | |
149 | } | |
150 | } | |
151 | ||
152 | static u32 get_pf2vf_offset(u32 i) | |
153 | { | |
154 | return ADF_C62X_PF2VF_OFFSET(i); | |
155 | } | |
156 | ||
157 | static u32 get_vintmsk_offset(u32 i) | |
158 | { | |
159 | return ADF_C62X_VINTMSK_OFFSET(i); | |
160 | } | |
161 | ||
162 | static void adf_enable_error_correction(struct adf_accel_dev *accel_dev) | |
163 | { | |
164 | struct adf_hw_device_data *hw_device = accel_dev->hw_device; | |
165 | struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_C62X_PMISC_BAR]; | |
166 | void __iomem *csr = misc_bar->virt_addr; | |
167 | unsigned int val, i; | |
168 | ||
169 | /* Enable Accel Engine error detection & correction */ | |
170 | for (i = 0; i < hw_device->get_num_aes(hw_device); i++) { | |
171 | val = ADF_CSR_RD(csr, ADF_C62X_AE_CTX_ENABLES(i)); | |
172 | val |= ADF_C62X_ENABLE_AE_ECC_ERR; | |
173 | ADF_CSR_WR(csr, ADF_C62X_AE_CTX_ENABLES(i), val); | |
174 | val = ADF_CSR_RD(csr, ADF_C62X_AE_MISC_CONTROL(i)); | |
175 | val |= ADF_C62X_ENABLE_AE_ECC_PARITY_CORR; | |
176 | ADF_CSR_WR(csr, ADF_C62X_AE_MISC_CONTROL(i), val); | |
177 | } | |
178 | ||
179 | /* Enable shared memory error detection & correction */ | |
180 | for (i = 0; i < hw_device->get_num_accels(hw_device); i++) { | |
181 | val = ADF_CSR_RD(csr, ADF_C62X_UERRSSMSH(i)); | |
182 | val |= ADF_C62X_ERRSSMSH_EN; | |
183 | ADF_CSR_WR(csr, ADF_C62X_UERRSSMSH(i), val); | |
184 | val = ADF_CSR_RD(csr, ADF_C62X_CERRSSMSH(i)); | |
185 | val |= ADF_C62X_ERRSSMSH_EN; | |
186 | ADF_CSR_WR(csr, ADF_C62X_CERRSSMSH(i), val); | |
187 | } | |
188 | } | |
189 | ||
190 | static void adf_enable_ints(struct adf_accel_dev *accel_dev) | |
191 | { | |
192 | void __iomem *addr; | |
193 | ||
194 | addr = (&GET_BARS(accel_dev)[ADF_C62X_PMISC_BAR])->virt_addr; | |
195 | ||
196 | /* Enable bundle and misc interrupts */ | |
197 | ADF_CSR_WR(addr, ADF_C62X_SMIAPF0_MASK_OFFSET, | |
198 | ADF_C62X_SMIA0_MASK); | |
199 | ADF_CSR_WR(addr, ADF_C62X_SMIAPF1_MASK_OFFSET, | |
200 | ADF_C62X_SMIA1_MASK); | |
201 | } | |
202 | ||
203 | static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev) | |
204 | { | |
205 | return 0; | |
206 | } | |
207 | ||
208 | void adf_init_hw_data_c62x(struct adf_hw_device_data *hw_data) | |
209 | { | |
210 | hw_data->dev_class = &c62x_class; | |
211 | hw_data->instance_id = c62x_class.instances++; | |
212 | hw_data->num_banks = ADF_C62X_ETR_MAX_BANKS; | |
213 | hw_data->num_accel = ADF_C62X_MAX_ACCELERATORS; | |
214 | hw_data->num_logical_accel = 1; | |
215 | hw_data->num_engines = ADF_C62X_MAX_ACCELENGINES; | |
216 | hw_data->tx_rx_gap = ADF_C62X_RX_RINGS_OFFSET; | |
217 | hw_data->tx_rings_mask = ADF_C62X_TX_RINGS_MASK; | |
218 | hw_data->alloc_irq = adf_isr_resource_alloc; | |
219 | hw_data->free_irq = adf_isr_resource_free; | |
220 | hw_data->enable_error_correction = adf_enable_error_correction; | |
221 | hw_data->get_accel_mask = get_accel_mask; | |
222 | hw_data->get_ae_mask = get_ae_mask; | |
223 | hw_data->get_num_accels = get_num_accels; | |
224 | hw_data->get_num_aes = get_num_aes; | |
225 | hw_data->get_sram_bar_id = get_sram_bar_id; | |
226 | hw_data->get_etr_bar_id = get_etr_bar_id; | |
227 | hw_data->get_misc_bar_id = get_misc_bar_id; | |
228 | hw_data->get_pf2vf_offset = get_pf2vf_offset; | |
229 | hw_data->get_vintmsk_offset = get_vintmsk_offset; | |
230 | hw_data->get_sku = get_sku; | |
231 | hw_data->fw_name = ADF_C62X_FW; | |
232 | hw_data->fw_mmp_name = ADF_C62X_MMP; | |
233 | hw_data->init_admin_comms = adf_init_admin_comms; | |
234 | hw_data->exit_admin_comms = adf_exit_admin_comms; | |
235 | hw_data->disable_iov = adf_disable_sriov; | |
236 | hw_data->send_admin_init = adf_send_admin_init; | |
237 | hw_data->init_arb = adf_init_arb; | |
238 | hw_data->exit_arb = adf_exit_arb; | |
239 | hw_data->get_arb_mapping = adf_get_arbiter_mapping; | |
240 | hw_data->enable_ints = adf_enable_ints; | |
241 | hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms; | |
242 | hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION; | |
243 | } | |
244 | ||
245 | void adf_clean_hw_data_c62x(struct adf_hw_device_data *hw_data) | |
246 | { | |
247 | hw_data->dev_class->instances--; | |
248 | } |