1 // SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
2 /* Copyright(c) 2014 - 2020 Intel Corporation */
3 #include <adf_accel_devices.h>
4 #include <adf_pf2vf_msg.h>
5 #include <adf_common_drv.h>
6 #include "adf_dh895xcc_hw_data.h"
7
8 /* Worker thread to service arbiter mappings based on dev SKUs */
9 static const u32 thrd_to_arb_map_sku4[] = {
10 0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666,
11 0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222,
12 0x00000000, 0x00000000, 0x00000000, 0x00000000
13 };
14
15 static const u32 thrd_to_arb_map_sku6[] = {
16 0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666,
17 0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222,
18 0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222
19 };
20
21 static struct adf_hw_device_class dh895xcc_class = {
22 .name = ADF_DH895XCC_DEVICE_NAME,
23 .type = DEV_DH895XCC,
24 .instances = 0
25 };
26
get_accel_mask(u32 fuse)27 static u32 get_accel_mask(u32 fuse)
28 {
29 return (~fuse) >> ADF_DH895XCC_ACCELERATORS_REG_OFFSET &
30 ADF_DH895XCC_ACCELERATORS_MASK;
31 }
32
get_ae_mask(u32 fuse)33 static u32 get_ae_mask(u32 fuse)
34 {
35 return (~fuse) & ADF_DH895XCC_ACCELENGINES_MASK;
36 }
37
get_num_accels(struct adf_hw_device_data * self)38 static u32 get_num_accels(struct adf_hw_device_data *self)
39 {
40 u32 i, ctr = 0;
41
42 if (!self || !self->accel_mask)
43 return 0;
44
45 for (i = 0; i < ADF_DH895XCC_MAX_ACCELERATORS; i++) {
46 if (self->accel_mask & (1 << i))
47 ctr++;
48 }
49 return ctr;
50 }
51
get_num_aes(struct adf_hw_device_data * self)52 static u32 get_num_aes(struct adf_hw_device_data *self)
53 {
54 u32 i, ctr = 0;
55
56 if (!self || !self->ae_mask)
57 return 0;
58
59 for (i = 0; i < ADF_DH895XCC_MAX_ACCELENGINES; i++) {
60 if (self->ae_mask & (1 << i))
61 ctr++;
62 }
63 return ctr;
64 }
65
get_misc_bar_id(struct adf_hw_device_data * self)66 static u32 get_misc_bar_id(struct adf_hw_device_data *self)
67 {
68 return ADF_DH895XCC_PMISC_BAR;
69 }
70
get_etr_bar_id(struct adf_hw_device_data * self)71 static u32 get_etr_bar_id(struct adf_hw_device_data *self)
72 {
73 return ADF_DH895XCC_ETR_BAR;
74 }
75
get_sram_bar_id(struct adf_hw_device_data * self)76 static u32 get_sram_bar_id(struct adf_hw_device_data *self)
77 {
78 return ADF_DH895XCC_SRAM_BAR;
79 }
80
get_sku(struct adf_hw_device_data * self)81 static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
82 {
83 int sku = (self->fuses & ADF_DH895XCC_FUSECTL_SKU_MASK)
84 >> ADF_DH895XCC_FUSECTL_SKU_SHIFT;
85
86 switch (sku) {
87 case ADF_DH895XCC_FUSECTL_SKU_1:
88 return DEV_SKU_1;
89 case ADF_DH895XCC_FUSECTL_SKU_2:
90 return DEV_SKU_2;
91 case ADF_DH895XCC_FUSECTL_SKU_3:
92 return DEV_SKU_3;
93 case ADF_DH895XCC_FUSECTL_SKU_4:
94 return DEV_SKU_4;
95 default:
96 return DEV_SKU_UNKNOWN;
97 }
98 return DEV_SKU_UNKNOWN;
99 }
100
adf_get_arbiter_mapping(struct adf_accel_dev * accel_dev,u32 const ** arb_map_config)101 static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev,
102 u32 const **arb_map_config)
103 {
104 switch (accel_dev->accel_pci_dev.sku) {
105 case DEV_SKU_1:
106 *arb_map_config = thrd_to_arb_map_sku4;
107 break;
108
109 case DEV_SKU_2:
110 case DEV_SKU_4:
111 *arb_map_config = thrd_to_arb_map_sku6;
112 break;
113 default:
114 dev_err(&GET_DEV(accel_dev),
115 "The configuration doesn't match any SKU");
116 *arb_map_config = NULL;
117 }
118 }
119
get_pf2vf_offset(u32 i)120 static u32 get_pf2vf_offset(u32 i)
121 {
122 return ADF_DH895XCC_PF2VF_OFFSET(i);
123 }
124
get_vintmsk_offset(u32 i)125 static u32 get_vintmsk_offset(u32 i)
126 {
127 return ADF_DH895XCC_VINTMSK_OFFSET(i);
128 }
129
adf_enable_error_correction(struct adf_accel_dev * accel_dev)130 static void adf_enable_error_correction(struct adf_accel_dev *accel_dev)
131 {
132 struct adf_hw_device_data *hw_device = accel_dev->hw_device;
133 struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR];
134 void __iomem *csr = misc_bar->virt_addr;
135 unsigned int val, i;
136
137 /* Enable Accel Engine error detection & correction */
138 for (i = 0; i < hw_device->get_num_aes(hw_device); i++) {
139 val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_CTX_ENABLES(i));
140 val |= ADF_DH895XCC_ENABLE_AE_ECC_ERR;
141 ADF_CSR_WR(csr, ADF_DH895XCC_AE_CTX_ENABLES(i), val);
142 val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_MISC_CONTROL(i));
143 val |= ADF_DH895XCC_ENABLE_AE_ECC_PARITY_CORR;
144 ADF_CSR_WR(csr, ADF_DH895XCC_AE_MISC_CONTROL(i), val);
145 }
146
147 /* Enable shared memory error detection & correction */
148 for (i = 0; i < hw_device->get_num_accels(hw_device); i++) {
149 val = ADF_CSR_RD(csr, ADF_DH895XCC_UERRSSMSH(i));
150 val |= ADF_DH895XCC_ERRSSMSH_EN;
151 ADF_CSR_WR(csr, ADF_DH895XCC_UERRSSMSH(i), val);
152 val = ADF_CSR_RD(csr, ADF_DH895XCC_CERRSSMSH(i));
153 val |= ADF_DH895XCC_ERRSSMSH_EN;
154 ADF_CSR_WR(csr, ADF_DH895XCC_CERRSSMSH(i), val);
155 }
156 }
157
adf_enable_ints(struct adf_accel_dev * accel_dev)158 static void adf_enable_ints(struct adf_accel_dev *accel_dev)
159 {
160 void __iomem *addr;
161
162 addr = (&GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR])->virt_addr;
163
164 /* Enable bundle and misc interrupts */
165 ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF0_MASK_OFFSET,
166 accel_dev->pf.vf_info ? 0 :
167 GENMASK_ULL(GET_MAX_BANKS(accel_dev) - 1, 0));
168 ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF1_MASK_OFFSET,
169 ADF_DH895XCC_SMIA1_MASK);
170 }
171
adf_pf_enable_vf2pf_comms(struct adf_accel_dev * accel_dev)172 static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev)
173 {
174 return 0;
175 }
176
adf_init_hw_data_dh895xcc(struct adf_hw_device_data * hw_data)177 void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
178 {
179 hw_data->dev_class = &dh895xcc_class;
180 hw_data->instance_id = dh895xcc_class.instances++;
181 hw_data->num_banks = ADF_DH895XCC_ETR_MAX_BANKS;
182 hw_data->num_accel = ADF_DH895XCC_MAX_ACCELERATORS;
183 hw_data->num_logical_accel = 1;
184 hw_data->num_engines = ADF_DH895XCC_MAX_ACCELENGINES;
185 hw_data->tx_rx_gap = ADF_DH895XCC_RX_RINGS_OFFSET;
186 hw_data->tx_rings_mask = ADF_DH895XCC_TX_RINGS_MASK;
187 hw_data->alloc_irq = adf_isr_resource_alloc;
188 hw_data->free_irq = adf_isr_resource_free;
189 hw_data->enable_error_correction = adf_enable_error_correction;
190 hw_data->get_accel_mask = get_accel_mask;
191 hw_data->get_ae_mask = get_ae_mask;
192 hw_data->get_num_accels = get_num_accels;
193 hw_data->get_num_aes = get_num_aes;
194 hw_data->get_etr_bar_id = get_etr_bar_id;
195 hw_data->get_misc_bar_id = get_misc_bar_id;
196 hw_data->get_pf2vf_offset = get_pf2vf_offset;
197 hw_data->get_vintmsk_offset = get_vintmsk_offset;
198 hw_data->get_sram_bar_id = get_sram_bar_id;
199 hw_data->get_sku = get_sku;
200 hw_data->fw_name = ADF_DH895XCC_FW;
201 hw_data->fw_mmp_name = ADF_DH895XCC_MMP;
202 hw_data->init_admin_comms = adf_init_admin_comms;
203 hw_data->exit_admin_comms = adf_exit_admin_comms;
204 hw_data->disable_iov = adf_disable_sriov;
205 hw_data->send_admin_init = adf_send_admin_init;
206 hw_data->init_arb = adf_init_arb;
207 hw_data->exit_arb = adf_exit_arb;
208 hw_data->get_arb_mapping = adf_get_arbiter_mapping;
209 hw_data->enable_ints = adf_enable_ints;
210 hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms;
211 hw_data->reset_device = adf_reset_sbr;
212 hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
213 }
214
adf_clean_hw_data_dh895xcc(struct adf_hw_device_data * hw_data)215 void adf_clean_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
216 {
217 hw_data->dev_class->instances--;
218 }
219