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// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
/* Copyright(c) 2014 - 2020 Intel Corporation */
#include <adf_accel_devices.h>
#include <adf_common_drv.h>
#include <adf_pf2vf_msg.h>
#include "adf_c3xxx_hw_data.h"
/* Worker thread to service arbiter mappings based on dev SKUs */
static const u32 thrd_to_arb_map_6_me_sku[] = {
0x12222AAA, 0x11222AAA, 0x12222AAA,
0x11222AAA, 0x12222AAA, 0x11222AAA
};
static struct adf_hw_device_class c3xxx_class = {
.name = ADF_C3XXX_DEVICE_NAME,
.type = DEV_C3XXX,
.instances = 0
};
static u32 get_accel_mask(struct adf_hw_device_data *self)
{
u32 straps = self->straps;
u32 fuses = self->fuses;
u32 accel;
accel = ~(fuses | straps) >> ADF_C3XXX_ACCELERATORS_REG_OFFSET;
accel &= ADF_C3XXX_ACCELERATORS_MASK;
return accel;
}
static u32 get_ae_mask(struct adf_hw_device_data *self)
{
u32 straps = self->straps;
u32 fuses = self->fuses;
unsigned long disabled;
u32 ae_disable;
int accel;
/* If an accel is disabled, then disable the corresponding two AEs */
disabled = ~get_accel_mask(self) & ADF_C3XXX_ACCELERATORS_MASK;
ae_disable = BIT(1) | BIT(0);
for_each_set_bit(accel, &disabled, ADF_C3XXX_MAX_ACCELERATORS)
straps |= ae_disable << (accel << 1);
return ~(fuses | straps) & ADF_C3XXX_ACCELENGINES_MASK;
}
static u32 get_num_accels(struct adf_hw_device_data *self)
{
u32 i, ctr = 0;
if (!self || !self->accel_mask)
return 0;
for (i = 0; i < ADF_C3XXX_MAX_ACCELERATORS; i++) {
if (self->accel_mask & (1 << i))
ctr++;
}
return ctr;
}
static u32 get_num_aes(struct adf_hw_device_data *self)
{
u32 i, ctr = 0;
if (!self || !self->ae_mask)
return 0;
for (i = 0; i < ADF_C3XXX_MAX_ACCELENGINES; i++) {
if (self->ae_mask & (1 << i))
ctr++;
}
return ctr;
}
static u32 get_misc_bar_id(struct adf_hw_device_data *self)
{
return ADF_C3XXX_PMISC_BAR;
}
static u32 get_etr_bar_id(struct adf_hw_device_data *self)
{
return ADF_C3XXX_ETR_BAR;
}
static u32 get_sram_bar_id(struct adf_hw_device_data *self)
{
return 0;
}
static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
{
int aes = get_num_aes(self);
if (aes == 6)
return DEV_SKU_4;
return DEV_SKU_UNKNOWN;
}
static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev,
u32 const **arb_map_config)
{
switch (accel_dev->accel_pci_dev.sku) {
case DEV_SKU_4:
*arb_map_config = thrd_to_arb_map_6_me_sku;
break;
default:
dev_err(&GET_DEV(accel_dev),
"The configuration doesn't match any SKU");
*arb_map_config = NULL;
}
}
static u32 get_pf2vf_offset(u32 i)
{
return ADF_C3XXX_PF2VF_OFFSET(i);
}
static u32 get_vintmsk_offset(u32 i)
{
return ADF_C3XXX_VINTMSK_OFFSET(i);
}
static void adf_enable_error_correction(struct adf_accel_dev *accel_dev)
{
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_C3XXX_PMISC_BAR];
unsigned long accel_mask = hw_device->accel_mask;
unsigned long ae_mask = hw_device->ae_mask;
void __iomem *csr = misc_bar->virt_addr;
unsigned int val, i;
/* Enable Accel Engine error detection & correction */
for_each_set_bit(i, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {
val = ADF_CSR_RD(csr, ADF_C3XXX_AE_CTX_ENABLES(i));
val |= ADF_C3XXX_ENABLE_AE_ECC_ERR;
ADF_CSR_WR(csr, ADF_C3XXX_AE_CTX_ENABLES(i), val);
val = ADF_CSR_RD(csr, ADF_C3XXX_AE_MISC_CONTROL(i));
val |= ADF_C3XXX_ENABLE_AE_ECC_PARITY_CORR;
ADF_CSR_WR(csr, ADF_C3XXX_AE_MISC_CONTROL(i), val);
}
/* Enable shared memory error detection & correction */
for_each_set_bit(i, &accel_mask, ADF_C3XXX_MAX_ACCELERATORS) {
val = ADF_CSR_RD(csr, ADF_C3XXX_UERRSSMSH(i));
val |= ADF_C3XXX_ERRSSMSH_EN;
ADF_CSR_WR(csr, ADF_C3XXX_UERRSSMSH(i), val);
val = ADF_CSR_RD(csr, ADF_C3XXX_CERRSSMSH(i));
val |= ADF_C3XXX_ERRSSMSH_EN;
ADF_CSR_WR(csr, ADF_C3XXX_CERRSSMSH(i), val);
}
}
static void adf_enable_ints(struct adf_accel_dev *accel_dev)
{
void __iomem *addr;
addr = (&GET_BARS(accel_dev)[ADF_C3XXX_PMISC_BAR])->virt_addr;
/* Enable bundle and misc interrupts */
ADF_CSR_WR(addr, ADF_C3XXX_SMIAPF0_MASK_OFFSET,
ADF_C3XXX_SMIA0_MASK);
ADF_CSR_WR(addr, ADF_C3XXX_SMIAPF1_MASK_OFFSET,
ADF_C3XXX_SMIA1_MASK);
}
static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev)
{
return 0;
}
void adf_init_hw_data_c3xxx(struct adf_hw_device_data *hw_data)
{
hw_data->dev_class = &c3xxx_class;
hw_data->instance_id = c3xxx_class.instances++;
hw_data->num_banks = ADF_C3XXX_ETR_MAX_BANKS;
hw_data->num_accel = ADF_C3XXX_MAX_ACCELERATORS;
hw_data->num_logical_accel = 1;
hw_data->num_engines = ADF_C3XXX_MAX_ACCELENGINES;
hw_data->tx_rx_gap = ADF_C3XXX_RX_RINGS_OFFSET;
hw_data->tx_rings_mask = ADF_C3XXX_TX_RINGS_MASK;
hw_data->alloc_irq = adf_isr_resource_alloc;
hw_data->free_irq = adf_isr_resource_free;
hw_data->enable_error_correction = adf_enable_error_correction;
hw_data->get_accel_mask = get_accel_mask;
hw_data->get_ae_mask = get_ae_mask;
hw_data->get_num_accels = get_num_accels;
hw_data->get_num_aes = get_num_aes;
hw_data->get_sram_bar_id = get_sram_bar_id;
hw_data->get_etr_bar_id = get_etr_bar_id;
hw_data->get_misc_bar_id = get_misc_bar_id;
hw_data->get_pf2vf_offset = get_pf2vf_offset;
hw_data->get_vintmsk_offset = get_vintmsk_offset;
hw_data->get_sku = get_sku;
hw_data->fw_name = ADF_C3XXX_FW;
hw_data->fw_mmp_name = ADF_C3XXX_MMP;
hw_data->init_admin_comms = adf_init_admin_comms;
hw_data->exit_admin_comms = adf_exit_admin_comms;
hw_data->disable_iov = adf_disable_sriov;
hw_data->send_admin_init = adf_send_admin_init;
hw_data->init_arb = adf_init_arb;
hw_data->exit_arb = adf_exit_arb;
hw_data->get_arb_mapping = adf_get_arbiter_mapping;
hw_data->enable_ints = adf_enable_ints;
hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms;
hw_data->reset_device = adf_reset_flr;
hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
}
void adf_clean_hw_data_c3xxx(struct adf_hw_device_data *hw_data)
{
hw_data->dev_class->instances--;
}
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